Home / 3,158.29-4,737.90-966.70

Finding the Fourth Proportional to 3,158.29, 4,737.90 and 966.70

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Solution

The fourth proportional to 3,158.29, 4,737.90 and 966.70 is: 1,450.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158.29 : 4,737.90 = 966.70 : x
  2. Step 2: Convert to fraction form
    3,158.29/4,737.90 = 966.70/x
  3. Step 3: Cross multiply
    3,158.29x = 4,737.90 × 966.70
  4. Step 4: Simplify right side
    3,158.29x = 4,580,127.93
  5. Step 5: Solve for x
    x = 4,580,127.93/3,158.29
  6. Step 6: Final answer
    x = 1,450.19

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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.