Home / 7,834.92-11,737.66-3,881.58

Finding the Fourth Proportional to 7,834.92, 11,737.66 and 3,881.58

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Solution

The fourth proportional to 7,834.92, 11,737.66 and 3,881.58 is: 5,815.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,834.92 : 11,737.66 = 3,881.58 : x
  2. Step 2: Convert to fraction form
    7,834.92/11,737.66 = 3,881.58/x
  3. Step 3: Cross multiply
    7,834.92x = 11,737.66 × 3,881.58
  4. Step 4: Simplify right side
    7,834.92x = 45,560,666.30
  5. Step 5: Solve for x
    x = 45,560,666.30/7,834.92
  6. Step 6: Final answer
    x = 5,815.08

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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.