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Finding the Fourth Proportional to 4,151.99, 6,229.12 and 2,069.48

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Solution

The fourth proportional to 4,151.99, 6,229.12 and 2,069.48 is: 3,104.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,151.99 : 6,229.12 = 2,069.48 : x
  2. Step 2: Convert to fraction form
    4,151.99/6,229.12 = 2,069.48/x
  3. Step 3: Cross multiply
    4,151.99x = 6,229.12 × 2,069.48
  4. Step 4: Simplify right side
    4,151.99x = 12,891,008.11
  5. Step 5: Solve for x
    x = 12,891,008.11/4,151.99
  6. Step 6: Final answer
    x = 3,104.78

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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.