SOLUTION: solve the proportion: 5/x = 8/15

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: solve the proportion: 5/x = 8/15      Log On


   

Question 1038069: solve the proportion: 5/x = 8/15
Found 2 solutions by tutor_paul, MathTherapy:
Answer by tutor_paul(519) About Me  (Show Source):
You can put this solution on YOUR website!
5%2Fx=8%2F15
Take the reciprocol of both sides of the equation:
x%2F5=15%2F8
Multiply both sides of equation by 5.
highlight%28x=75%2F8%29
===================
Good Luck,
tutor_paul@yahoo.com

Answer by MathTherapy(10552) About Me  (Show Source):
You can put this solution on YOUR website!

solve the proportion: 5/x = 8/15
5%2Fx+=+8%2F15

8x = 5(15) ------- Cross-multiplying