Home / 5,387.80-8,034.19-4,732.41

Finding the Fourth Proportional to 5,387.80, 8,034.19 and 4,732.41

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Solution

The fourth proportional to 5,387.80, 8,034.19 and 4,732.41 is: 7,056.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387.80 : 8,034.19 = 4,732.41 : x
  2. Step 2: Convert to fraction form
    5,387.80/8,034.19 = 4,732.41/x
  3. Step 3: Cross multiply
    5,387.80x = 8,034.19 × 4,732.41
  4. Step 4: Simplify right side
    5,387.80x = 38,021,081.10
  5. Step 5: Solve for x
    x = 38,021,081.10/5,387.80
  6. Step 6: Final answer
    x = 7,056.88

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.