Finding the Fourth Proportional to 5,352,508.74, 7,383,101.36 and 3,175,510.62
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Solution
The fourth proportional to 5,352,508.74, 7,383,101.36 and 3,175,510.62 is: 4,380,210.83
Step by Step Solution
- Step 1: Write the proportion equation
5,352,508.74 : 7,383,101.36 = 3,175,510.62 : x - Step 2: Convert to fraction form
5,352,508.74/7,383,101.36 = 3,175,510.62/x - Step 3: Cross multiply
5,352,508.74x = 7,383,101.36 × 3,175,510.62 - Step 4: Simplify right side
5,352,508.74x = 23,445,116,761,338.89 - Step 5: Solve for x
x = 23,445,116,761,338.89/5,352,508.74 - Step 6: Final answer
x = 4,380,210.83
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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.