Home / 3,193.14-4,789.71-1,113.06

Finding the Fourth Proportional to 3,193.14, 4,789.71 and 1,113.06

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Solution

The fourth proportional to 3,193.14, 4,789.71 and 1,113.06 is: 1,669.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,193.14 : 4,789.71 = 1,113.06 : x
  2. Step 2: Convert to fraction form
    3,193.14/4,789.71 = 1,113.06/x
  3. Step 3: Cross multiply
    3,193.14x = 4,789.71 × 1,113.06
  4. Step 4: Simplify right side
    3,193.14x = 5,331,234.61
  5. Step 5: Solve for x
    x = 5,331,234.61/3,193.14
  6. Step 6: Final answer
    x = 1,669.59

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.