There are many images of different sizes. You need to reduce them all in width to 750px. But to decrease in height proportionally. How to calculate how to set the height in the function for resizing?

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1 answer 1

Yes, the same in the fifth grade are taught. Suppose that before resizing the size was W x H, after resizing wx h. It is necessary that the images were similar. We get W / w = H / h, whence h = H * w / W. In your case, h = 750 * H / W.