Home / 5,174.91-7,761.27-1,476.15

Finding the Fourth Proportional to 5,174.91, 7,761.27 and 1,476.15

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Solution

The fourth proportional to 5,174.91, 7,761.27 and 1,476.15 is: 2,213.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,174.91 : 7,761.27 = 1,476.15 : x
  2. Step 2: Convert to fraction form
    5,174.91/7,761.27 = 1,476.15/x
  3. Step 3: Cross multiply
    5,174.91x = 7,761.27 × 1,476.15
  4. Step 4: Simplify right side
    5,174.91x = 11,456,788.67
  5. Step 5: Solve for x
    x = 11,456,788.67/5,174.91
  6. Step 6: Final answer
    x = 2,213.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.