DONT lie jimbo  , its just hibtc scam have that higher numbers  https://hitbtc.com/exchange/BTC-to-USDT

1 BTC = $ 3,642.46 USD
hitbtc: 3,689.29 USD
bitfinex: 3,676.4 USD
gdax: 3,543.99 USD
kraken: 3,550 USD
bitstamp: 3,543.94 USD
1 USD = 0.00027 BTC

you put just "pre-optimised " numbers to keep in better eye btc...