Home / 5,086.76-7,635.08-2,456.12

Finding the Fourth Proportional to 5,086.76, 7,635.08 and 2,456.12

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Solution

The fourth proportional to 5,086.76, 7,635.08 and 2,456.12 is: 3,686.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,086.76 : 7,635.08 = 2,456.12 : x
  2. Step 2: Convert to fraction form
    5,086.76/7,635.08 = 2,456.12/x
  3. Step 3: Cross multiply
    5,086.76x = 7,635.08 × 2,456.12
  4. Step 4: Simplify right side
    5,086.76x = 18,752,672.69
  5. Step 5: Solve for x
    x = 18,752,672.69/5,086.76
  6. Step 6: Final answer
    x = 3,686.57

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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.