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Finding the Fourth Proportional to 3,147.99, 4,722.13 and 2,227.66

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Solution

The fourth proportional to 3,147.99, 4,722.13 and 2,227.66 is: 3,341.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147.99 : 4,722.13 = 2,227.66 : x
  2. Step 2: Convert to fraction form
    3,147.99/4,722.13 = 2,227.66/x
  3. Step 3: Cross multiply
    3,147.99x = 4,722.13 × 2,227.66
  4. Step 4: Simplify right side
    3,147.99x = 10,519,300.12
  5. Step 5: Solve for x
    x = 10,519,300.12/3,147.99
  6. Step 6: Final answer
    x = 3,341.59

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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.