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Finding the Fourth Proportional to 2,864.93, 3,948.24 and 2,234.46

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Solution

The fourth proportional to 2,864.93, 3,948.24 and 2,234.46 is: 3,079.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,864.93 : 3,948.24 = 2,234.46 : x
  2. Step 2: Convert to fraction form
    2,864.93/3,948.24 = 2,234.46/x
  3. Step 3: Cross multiply
    2,864.93x = 3,948.24 × 2,234.46
  4. Step 4: Simplify right side
    2,864.93x = 8,822,192.73
  5. Step 5: Solve for x
    x = 8,822,192.73/2,864.93
  6. Step 6: Final answer
    x = 3,079.38

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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.