Home / 2,962.56-4,092.48-2,138.88

Finding the Fourth Proportional to 2,962.56, 4,092.48 and 2,138.88

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Solution

The fourth proportional to 2,962.56, 4,092.48 and 2,138.88 is: 2,954.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,962.56 : 4,092.48 = 2,138.88 : x
  2. Step 2: Convert to fraction form
    2,962.56/4,092.48 = 2,138.88/x
  3. Step 3: Cross multiply
    2,962.56x = 4,092.48 × 2,138.88
  4. Step 4: Simplify right side
    2,962.56x = 8,753,323.62
  5. Step 5: Solve for x
    x = 8,753,323.62/2,962.56
  6. Step 6: Final answer
    x = 2,954.65

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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.