Home / 4,139.76-5,713.68-2,372.54

Finding the Fourth Proportional to 4,139.76, 5,713.68 and 2,372.54

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Solution

The fourth proportional to 4,139.76, 5,713.68 and 2,372.54 is: 3,274.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139.76 : 5,713.68 = 2,372.54 : x
  2. Step 2: Convert to fraction form
    4,139.76/5,713.68 = 2,372.54/x
  3. Step 3: Cross multiply
    4,139.76x = 5,713.68 × 2,372.54
  4. Step 4: Simplify right side
    4,139.76x = 13,555,905.78
  5. Step 5: Solve for x
    x = 13,555,905.78/4,139.76
  6. Step 6: Final answer
    x = 3,274.56

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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.