Answer
y=5.6
Work Step by Step
Set the product of the means equal to the product of the extremes and solve for the variable.
$7\times4=5\times y$
$28=5y$
$28\div5=5y\div5$
$5.6=y$
Elementary Technical Mathematics
by Nelson, Robert; Eren, Dale;
Published by
Brooks Cole
ISBN 10:
1285199197
ISBN 13:
978-1-28519-919-1
Chapter 7 - Section 7.2 - Proportion - Exercises - Page 277: 15
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