Home / 6,172.23-8,517.17-3,519.15

Finding the Fourth Proportional to 6,172.23, 8,517.17 and 3,519.15

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Solution

The fourth proportional to 6,172.23, 8,517.17 and 3,519.15 is: 4,856.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,172.23 : 8,517.17 = 3,519.15 : x
  2. Step 2: Convert to fraction form
    6,172.23/8,517.17 = 3,519.15/x
  3. Step 3: Cross multiply
    6,172.23x = 8,517.17 × 3,519.15
  4. Step 4: Simplify right side
    6,172.23x = 29,973,181.21
  5. Step 5: Solve for x
    x = 29,973,181.21/6,172.23
  6. Step 6: Final answer
    x = 4,856.13

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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.