Home / 5,013.72-7,517.52-1,725.90

Finding the Fourth Proportional to 5,013.72, 7,517.52 and 1,725.90

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Solution

The fourth proportional to 5,013.72, 7,517.52 and 1,725.90 is: 2,587.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,013.72 : 7,517.52 = 1,725.90 : x
  2. Step 2: Convert to fraction form
    5,013.72/7,517.52 = 1,725.90/x
  3. Step 3: Cross multiply
    5,013.72x = 7,517.52 × 1,725.90
  4. Step 4: Simplify right side
    5,013.72x = 12,974,487.77
  5. Step 5: Solve for x
    x = 12,974,487.77/5,013.72
  6. Step 6: Final answer
    x = 2,587.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.