Home / 4,927.12-7,387.92-2,002

Finding the Fourth Proportional to 4,927.12, 7,387.92 and 2,002

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Solution

The fourth proportional to 4,927.12, 7,387.92 and 2,002 is: 3,001.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,927.12 : 7,387.92 = 2,002 : x
  2. Step 2: Convert to fraction form
    4,927.12/7,387.92 = 2,002/x
  3. Step 3: Cross multiply
    4,927.12x = 7,387.92 × 2,002
  4. Step 4: Simplify right side
    4,927.12x = 14,790,615.84
  5. Step 5: Solve for x
    x = 14,790,615.84/4,927.12
  6. Step 6: Final answer
    x = 3,001.88

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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.