Home / 10,581.77-15,872.49-2,576.61

Finding the Fourth Proportional to 10,581.77, 15,872.49 and 2,576.61

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Solution

The fourth proportional to 10,581.77, 15,872.49 and 2,576.61 is: 3,864.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,581.77 : 15,872.49 = 2,576.61 : x
  2. Step 2: Convert to fraction form
    10,581.77/15,872.49 = 2,576.61/x
  3. Step 3: Cross multiply
    10,581.77x = 15,872.49 × 2,576.61
  4. Step 4: Simplify right side
    10,581.77x = 40,897,242.40
  5. Step 5: Solve for x
    x = 40,897,242.40/10,581.77
  6. Step 6: Final answer
    x = 3,864.88

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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.