Home / 5,134.92-7,086.27-2,896.84

Finding the Fourth Proportional to 5,134.92, 7,086.27 and 2,896.84

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Solution

The fourth proportional to 5,134.92, 7,086.27 and 2,896.84 is: 3,997.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,134.92 : 7,086.27 = 2,896.84 : x
  2. Step 2: Convert to fraction form
    5,134.92/7,086.27 = 2,896.84/x
  3. Step 3: Cross multiply
    5,134.92x = 7,086.27 × 2,896.84
  4. Step 4: Simplify right side
    5,134.92x = 20,527,753.95
  5. Step 5: Solve for x
    x = 20,527,753.95/5,134.92
  6. Step 6: Final answer
    x = 3,997.68

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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.