Home / 5,001.29-7,497.87-2,081.78

Finding the Fourth Proportional to 5,001.29, 7,497.87 and 2,081.78

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Solution

The fourth proportional to 5,001.29, 7,497.87 and 2,081.78 is: 3,120.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,001.29 : 7,497.87 = 2,081.78 : x
  2. Step 2: Convert to fraction form
    5,001.29/7,497.87 = 2,081.78/x
  3. Step 3: Cross multiply
    5,001.29x = 7,497.87 × 2,081.78
  4. Step 4: Simplify right side
    5,001.29x = 15,608,878.32
  5. Step 5: Solve for x
    x = 15,608,878.32/5,001.29
  6. Step 6: Final answer
    x = 3,120.97

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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.