Home / 5,913.39-8,872.80-2,215.92

Finding the Fourth Proportional to 5,913.39, 8,872.80 and 2,215.92

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Solution

The fourth proportional to 5,913.39, 8,872.80 and 2,215.92 is: 3,324.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,913.39 : 8,872.80 = 2,215.92 : x
  2. Step 2: Convert to fraction form
    5,913.39/8,872.80 = 2,215.92/x
  3. Step 3: Cross multiply
    5,913.39x = 8,872.80 × 2,215.92
  4. Step 4: Simplify right side
    5,913.39x = 19,661,414.98
  5. Step 5: Solve for x
    x = 19,661,414.98/5,913.39
  6. Step 6: Final answer
    x = 3,324.90

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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.