Home / 3,614.52-4,988-2,042.68

Finding the Fourth Proportional to 3,614.52, 4,988 and 2,042.68

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Solution

The fourth proportional to 3,614.52, 4,988 and 2,042.68 is: 2,818.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,614.52 : 4,988 = 2,042.68 : x
  2. Step 2: Convert to fraction form
    3,614.52/4,988 = 2,042.68/x
  3. Step 3: Cross multiply
    3,614.52x = 4,988 × 2,042.68
  4. Step 4: Simplify right side
    3,614.52x = 10,188,887.84
  5. Step 5: Solve for x
    x = 10,188,887.84/3,614.52
  6. Step 6: Final answer
    x = 2,818.88

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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.