Home / 5,387.48-8,082.52-1,876.97

Finding the Fourth Proportional to 5,387.48, 8,082.52 and 1,876.97

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Solution

The fourth proportional to 5,387.48, 8,082.52 and 1,876.97 is: 2,815.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387.48 : 8,082.52 = 1,876.97 : x
  2. Step 2: Convert to fraction form
    5,387.48/8,082.52 = 1,876.97/x
  3. Step 3: Cross multiply
    5,387.48x = 8,082.52 × 1,876.97
  4. Step 4: Simplify right side
    5,387.48x = 15,170,647.56
  5. Step 5: Solve for x
    x = 15,170,647.56/5,387.48
  6. Step 6: Final answer
    x = 2,815.91

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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.