Is 4,515 acres as big as LAX?
It's about one-and-three-tenths times as big as LAX

The size of LAX is about 3,500 acres.
(a.k.a. Los Angeles International Airporta, a.k.a. KLAX) (total land area) (2012 figures)
Including nine passenger terminals and several other administrative and cargo facilities, LAX sits on 3,500 acres of land. In 2014, LAX serviced almost 71 million passengers, 600,000 planes, and over 1.9 million tons of freight.
There's more! See other comparisons to 4,515 acres...