Home / 3,749.61-5,175.65-2,423.28

Finding the Fourth Proportional to 3,749.61, 5,175.65 and 2,423.28

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Solution

The fourth proportional to 3,749.61, 5,175.65 and 2,423.28 is: 3,344.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,749.61 : 5,175.65 = 2,423.28 : x
  2. Step 2: Convert to fraction form
    3,749.61/5,175.65 = 2,423.28/x
  3. Step 3: Cross multiply
    3,749.61x = 5,175.65 × 2,423.28
  4. Step 4: Simplify right side
    3,749.61x = 12,542,060.97
  5. Step 5: Solve for x
    x = 12,542,060.97/3,749.61
  6. Step 6: Final answer
    x = 3,344.90

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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.