You have a 4x6 photograph that you would like to have enlarged

Math Sep 03, 2020

You have a 4x6 photograph that you would like to have enlarged. If the desired new width it 6 inches what should the length be?

Expert Solution

You have a 4x6 photograph that you would like to have enlarged. If the desired new width it 6 inches what should the length be?

Solution. The original photograph 4x6 with ratio width:length=4:6. So, if the desired new width it 6 inches, and we assume the the desired new length is x, then we have

4:6=6:x

i.e.,
4x=6*6=36

So, x=36/4=9 (inches)

So, the new length should be 9 inches.

Note: 4:6 means that 4/6

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