Answer: 5.44 feet
Explanation:
We know that the dimensions of two similar figures are proportional .
Let h be the height of the larger window.
Given : The two windows shown are similar .
The smaller window is 5 feet by 4 feet .
the larger Windows 6.8 feet by h feet.
So by proportionality , we have

Hence, the height of the larger window is 5.44 feet.