Home / 3,306.44-4,562.89-1,909.19

Finding the Fourth Proportional to 3,306.44, 4,562.89 and 1,909.19

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Solution

The fourth proportional to 3,306.44, 4,562.89 and 1,909.19 is: 2,634.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,306.44 : 4,562.89 = 1,909.19 : x
  2. Step 2: Convert to fraction form
    3,306.44/4,562.89 = 1,909.19/x
  3. Step 3: Cross multiply
    3,306.44x = 4,562.89 × 1,909.19
  4. Step 4: Simplify right side
    3,306.44x = 8,711,414.41
  5. Step 5: Solve for x
    x = 8,711,414.41/3,306.44
  6. Step 6: Final answer
    x = 2,634.68

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Half scale
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Double scale
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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.