Home / 5,052.72-7,581.24-2,131.68

Finding the Fourth Proportional to 5,052.72, 7,581.24 and 2,131.68

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Solution

The fourth proportional to 5,052.72, 7,581.24 and 2,131.68 is: 3,198.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,052.72 : 7,581.24 = 2,131.68 : x
  2. Step 2: Convert to fraction form
    5,052.72/7,581.24 = 2,131.68/x
  3. Step 3: Cross multiply
    5,052.72x = 7,581.24 × 2,131.68
  4. Step 4: Simplify right side
    5,052.72x = 16,160,777.68
  5. Step 5: Solve for x
    x = 16,160,777.68/5,052.72
  6. Step 6: Final answer
    x = 3,198.43

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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.