Home / 4,974.92-7,471.02-3,311.72

Finding the Fourth Proportional to 4,974.92, 7,471.02 and 3,311.72

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Solution

The fourth proportional to 4,974.92, 7,471.02 and 3,311.72 is: 4,973.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,974.92 : 7,471.02 = 3,311.72 : x
  2. Step 2: Convert to fraction form
    4,974.92/7,471.02 = 3,311.72/x
  3. Step 3: Cross multiply
    4,974.92x = 7,471.02 × 3,311.72
  4. Step 4: Simplify right side
    4,974.92x = 24,741,926.35
  5. Step 5: Solve for x
    x = 24,741,926.35/4,974.92
  6. Step 6: Final answer
    x = 4,973.33

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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.