Finding the Fourth Proportional to 5,330,075.34, 7,355,503.97 and 2,882,686.38
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Solution
The fourth proportional to 5,330,075.34, 7,355,503.97 and 2,882,686.38 is: 3,978,107.20
Step by Step Solution
- Step 1: Write the proportion equation
5,330,075.34 : 7,355,503.97 = 2,882,686.38 : x - Step 2: Convert to fraction form
5,330,075.34/7,355,503.97 = 2,882,686.38/x - Step 3: Cross multiply
5,330,075.34x = 7,355,503.97 × 2,882,686.38 - Step 4: Simplify right side
5,330,075.34x = 21,203,611,061,163.98 - Step 5: Solve for x
x = 21,203,611,061,163.98/5,330,075.34 - Step 6: Final answer
x = 3,978,107.20
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.