Home / 3,460.38-5,191.78-1,512.73

Finding the Fourth Proportional to 3,460.38, 5,191.78 and 1,512.73

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Solution

The fourth proportional to 3,460.38, 5,191.78 and 1,512.73 is: 2,269.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,460.38 : 5,191.78 = 1,512.73 : x
  2. Step 2: Convert to fraction form
    3,460.38/5,191.78 = 1,512.73/x
  3. Step 3: Cross multiply
    3,460.38x = 5,191.78 × 1,512.73
  4. Step 4: Simplify right side
    3,460.38x = 7,853,761.36
  5. Step 5: Solve for x
    x = 7,853,761.36/3,460.38
  6. Step 6: Final answer
    x = 2,269.62

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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.