Home / 4,142.62-5,717.15-2,374.39

Finding the Fourth Proportional to 4,142.62, 5,717.15 and 2,374.39

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Solution

The fourth proportional to 4,142.62, 5,717.15 and 2,374.39 is: 3,276.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,142.62 : 5,717.15 = 2,374.39 : x
  2. Step 2: Convert to fraction form
    4,142.62/5,717.15 = 2,374.39/x
  3. Step 3: Cross multiply
    4,142.62x = 5,717.15 × 2,374.39
  4. Step 4: Simplify right side
    4,142.62x = 13,574,743.79
  5. Step 5: Solve for x
    x = 13,574,743.79/4,142.62
  6. Step 6: Final answer
    x = 3,276.85

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1.5x scale

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.