Home / 5,175.41-7,142.69-3,414.92

Finding the Fourth Proportional to 5,175.41, 7,142.69 and 3,414.92

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Solution

The fourth proportional to 5,175.41, 7,142.69 and 3,414.92 is: 4,713.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,175.41 : 7,142.69 = 3,414.92 : x
  2. Step 2: Convert to fraction form
    5,175.41/7,142.69 = 3,414.92/x
  3. Step 3: Cross multiply
    5,175.41x = 7,142.69 × 3,414.92
  4. Step 4: Simplify right side
    5,175.41x = 24,391,687.76
  5. Step 5: Solve for x
    x = 24,391,687.76/5,175.41
  6. Step 6: Final answer
    x = 4,713.00

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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.