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Finding the Fourth Proportional to 3,731, 5,148.89 and 2,052.32

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Solution

The fourth proportional to 3,731, 5,148.89 and 2,052.32 is: 2,832.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,731 : 5,148.89 = 2,052.32 : x
  2. Step 2: Convert to fraction form
    3,731/5,148.89 = 2,052.32/x
  3. Step 3: Cross multiply
    3,731x = 5,148.89 × 2,052.32
  4. Step 4: Simplify right side
    3,731x = 10,567,169.92
  5. Step 5: Solve for x
    x = 10,567,169.92/3,731
  6. Step 6: Final answer
    x = 2,832.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.