Home / 6,172.03-8,517.19-3,520.29

Finding the Fourth Proportional to 6,172.03, 8,517.19 and 3,520.29

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Solution

The fourth proportional to 6,172.03, 8,517.19 and 3,520.29 is: 4,857.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,172.03 : 8,517.19 = 3,520.29 : x
  2. Step 2: Convert to fraction form
    6,172.03/8,517.19 = 3,520.29/x
  3. Step 3: Cross multiply
    6,172.03x = 8,517.19 × 3,520.29
  4. Step 4: Simplify right side
    6,172.03x = 29,982,961.18
  5. Step 5: Solve for x
    x = 29,982,961.18/6,172.03
  6. Step 6: Final answer
    x = 4,857.88

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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.