Home / 4,924.56-7,382.70-2,149.12

Finding the Fourth Proportional to 4,924.56, 7,382.70 and 2,149.12

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Solution

The fourth proportional to 4,924.56, 7,382.70 and 2,149.12 is: 3,221.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,924.56 : 7,382.70 = 2,149.12 : x
  2. Step 2: Convert to fraction form
    4,924.56/7,382.70 = 2,149.12/x
  3. Step 3: Cross multiply
    4,924.56x = 7,382.70 × 2,149.12
  4. Step 4: Simplify right side
    4,924.56x = 15,866,275.92
  5. Step 5: Solve for x
    x = 15,866,275.92/4,924.56
  6. Step 6: Final answer
    x = 3,221.87

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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.