Home / 5,124.59-7,072.28-3,863.42

Finding the Fourth Proportional to 5,124.59, 7,072.28 and 3,863.42

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Solution

The fourth proportional to 5,124.59, 7,072.28 and 3,863.42 is: 5,331.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,124.59 : 7,072.28 = 3,863.42 : x
  2. Step 2: Convert to fraction form
    5,124.59/7,072.28 = 3,863.42/x
  3. Step 3: Cross multiply
    5,124.59x = 7,072.28 × 3,863.42
  4. Step 4: Simplify right side
    5,124.59x = 27,323,188.00
  5. Step 5: Solve for x
    x = 27,323,188.00/5,124.59
  6. Step 6: Final answer
    x = 5,331.78

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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.