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Finding the Fourth Proportional to 3,458.73, 4,775.15 and 2,339.85

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Solution

The fourth proportional to 3,458.73, 4,775.15 and 2,339.85 is: 3,230.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,458.73 : 4,775.15 = 2,339.85 : x
  2. Step 2: Convert to fraction form
    3,458.73/4,775.15 = 2,339.85/x
  3. Step 3: Cross multiply
    3,458.73x = 4,775.15 × 2,339.85
  4. Step 4: Simplify right side
    3,458.73x = 11,173,123.03
  5. Step 5: Solve for x
    x = 11,173,123.03/3,458.73
  6. Step 6: Final answer
    x = 3,230.41

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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.