Finding the Fourth Proportional to 5,330,075.09, 7,355,503.62 and 2,882,686.14
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Solution
The fourth proportional to 5,330,075.09, 7,355,503.62 and 2,882,686.14 is: 3,978,106.87
Step by Step Solution
- Step 1: Write the proportion equation
5,330,075.09 : 7,355,503.62 = 2,882,686.14 : x - Step 2: Convert to fraction form
5,330,075.09/7,355,503.62 = 2,882,686.14/x - Step 3: Cross multiply
5,330,075.09x = 7,355,503.62 × 2,882,686.14 - Step 4: Simplify right side
5,330,075.09x = 21,203,608,338,093.83 - Step 5: Solve for x
x = 21,203,608,338,093.83/5,330,075.09 - Step 6: Final answer
x = 3,978,106.87
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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.