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Finding the Fourth Proportional to 3,458.80, 4,773.58 and 3,163.56

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Solution

The fourth proportional to 3,458.80, 4,773.58 and 3,163.56 is: 4,366.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,458.80 : 4,773.58 = 3,163.56 : x
  2. Step 2: Convert to fraction form
    3,458.80/4,773.58 = 3,163.56/x
  3. Step 3: Cross multiply
    3,458.80x = 4,773.58 × 3,163.56
  4. Step 4: Simplify right side
    3,458.80x = 15,101,498.73
  5. Step 5: Solve for x
    x = 15,101,498.73/3,458.80
  6. Step 6: Final answer
    x = 4,366.11

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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.