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Finding the Fourth Proportional to 3,473.30, 4,793.38 and 2,279

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Solution

The fourth proportional to 3,473.30, 4,793.38 and 2,279 is: 3,145.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,473.30 : 4,793.38 = 2,279 : x
  2. Step 2: Convert to fraction form
    3,473.30/4,793.38 = 2,279/x
  3. Step 3: Cross multiply
    3,473.30x = 4,793.38 × 2,279
  4. Step 4: Simplify right side
    3,473.30x = 10,924,113.02
  5. Step 5: Solve for x
    x = 10,924,113.02/3,473.30
  6. Step 6: Final answer
    x = 3,145.17

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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.