Home / 5,132.14-7,084.12-3,246.86

Finding the Fourth Proportional to 5,132.14, 7,084.12 and 3,246.86

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Solution

The fourth proportional to 5,132.14, 7,084.12 and 3,246.86 is: 4,481.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,132.14 : 7,084.12 = 3,246.86 : x
  2. Step 2: Convert to fraction form
    5,132.14/7,084.12 = 3,246.86/x
  3. Step 3: Cross multiply
    5,132.14x = 7,084.12 × 3,246.86
  4. Step 4: Simplify right side
    5,132.14x = 23,001,145.86
  5. Step 5: Solve for x
    x = 23,001,145.86/5,132.14
  6. Step 6: Final answer
    x = 4,481.78

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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.