SOLUTION: a rectangle has a length of 5 inches and a with of 3 inches. if a similar rectangle has a length of 45 inches, what is its width in inches

Algebra ->  Rectangles -> SOLUTION: a rectangle has a length of 5 inches and a with of 3 inches. if a similar rectangle has a length of 45 inches, what is its width in inches      Log On


   

Question 420760: a rectangle has a length of 5 inches and a with of 3 inches. if a similar rectangle has a length of 45 inches, what is its width in inches
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi

Let x represent width in inches of the similar triangle

Question Sets Up the Proportion

5%2F3+=+45%2Fx     | Cross Multiplying 

  5x = 3*45

   x = 3*45/5

   x = 27in, width in inches of the similar triangle



CHECKING our Answer***

 5/3 = 45/27 = 5/3