SOLUTION: Find the dimensions of a rectangle if the area equals 100 and the proportion is 4:3. Hello I am puzzled by this question but I think I have a start.I tried setting up a equation su

Question 625527: Find the dimensions of a rectangle if the area equals 100 and the proportion is 4:3. Hello I am puzzled by this question but I think I have a start.I tried setting up a equation such that (3k)(4k)=100.
If anybody could help me by guiding me to correct way to solve this type of problem I would greatly appreciate it THANKS
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
The straightforward way is:
Let = length
Let = width
given:
Area =
(1)
(2)
---------------
Multiply both sides of (2) by
(2)
(2)
Plug this result into (1)
(1)
(1)
(1)
(1)
(1)
(1)
and
(2)
(2)
(2)
check answers:
(1)
(1)
(1)
(1)
(1)
and, also:
(2)
(2)
(2)
(2)
OK
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