Home / 6,253.20-9,379.80-5,742.90

Finding the Fourth Proportional to 6,253.20, 9,379.80 and 5,742.90

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Solution

The fourth proportional to 6,253.20, 9,379.80 and 5,742.90 is: 8,614.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,253.20 : 9,379.80 = 5,742.90 : x
  2. Step 2: Convert to fraction form
    6,253.20/9,379.80 = 5,742.90/x
  3. Step 3: Cross multiply
    6,253.20x = 9,379.80 × 5,742.90
  4. Step 4: Simplify right side
    6,253.20x = 53,867,253.42
  5. Step 5: Solve for x
    x = 53,867,253.42/6,253.20
  6. Step 6: Final answer
    x = 8,614.35

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Similar ratio
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1.5x scale

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.