Home / 3,251.96-4,876.50-3,117.56

Finding the Fourth Proportional to 3,251.96, 4,876.50 and 3,117.56

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Solution

The fourth proportional to 3,251.96, 4,876.50 and 3,117.56 is: 4,674.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,251.96 : 4,876.50 = 3,117.56 : x
  2. Step 2: Convert to fraction form
    3,251.96/4,876.50 = 3,117.56/x
  3. Step 3: Cross multiply
    3,251.96x = 4,876.50 × 3,117.56
  4. Step 4: Simplify right side
    3,251.96x = 15,202,781.34
  5. Step 5: Solve for x
    x = 15,202,781.34/3,251.96
  6. Step 6: Final answer
    x = 4,674.96

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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.