Home / 4,753.12-7,130.06-1,631.88

Finding the Fourth Proportional to 4,753.12, 7,130.06 and 1,631.88

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Solution

The fourth proportional to 4,753.12, 7,130.06 and 1,631.88 is: 2,447.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,753.12 : 7,130.06 = 1,631.88 : x
  2. Step 2: Convert to fraction form
    4,753.12/7,130.06 = 1,631.88/x
  3. Step 3: Cross multiply
    4,753.12x = 7,130.06 × 1,631.88
  4. Step 4: Simplify right side
    4,753.12x = 11,635,402.31
  5. Step 5: Solve for x
    x = 11,635,402.31/4,753.12
  6. Step 6: Final answer
    x = 2,447.95

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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.