Utah is about 4.5 times smaller than Tanzania.

Tanzania is approximately 947,300 sq km, while Utah is approximately 212,751 sq km, making Utah 22.46% the size of Tanzania. Meanwhile, the population of Tanzania is ~63.9 million people (61.1 million fewer people live in Utah).
Tip: This to-scale comparison of Tanzania vs. Utah uses the Mercator projection, which distorts the size of regions near the poles.