Home / 6,251.72-9,380.20-2,739.92

Finding the Fourth Proportional to 6,251.72, 9,380.20 and 2,739.92

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Solution

The fourth proportional to 6,251.72, 9,380.20 and 2,739.92 is: 4,111.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,251.72 : 9,380.20 = 2,739.92 : x
  2. Step 2: Convert to fraction form
    6,251.72/9,380.20 = 2,739.92/x
  3. Step 3: Cross multiply
    6,251.72x = 9,380.20 × 2,739.92
  4. Step 4: Simplify right side
    6,251.72x = 25,700,997.58
  5. Step 5: Solve for x
    x = 25,700,997.58/6,251.72
  6. Step 6: Final answer
    x = 4,111.03

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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.