World Machine and scale

I’m trying to figure out how World Machine’s exported tiles are scaled in Unreal. I’m using GIS/DEM data to generate real world locations and there’s a couple of areas where I see a pixel = meter ratio but they’re different from one to the other. I think this is the one I should be looking at:

So with the 1.879 meters per pixel, how is that translated, scale-wise, into Unreal?

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