Home / 5,134.96-7,086.46-2,896.92

Finding the Fourth Proportional to 5,134.96, 7,086.46 and 2,896.92

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Solution

The fourth proportional to 5,134.96, 7,086.46 and 2,896.92 is: 3,997.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,134.96 : 7,086.46 = 2,896.92 : x
  2. Step 2: Convert to fraction form
    5,134.96/7,086.46 = 2,896.92/x
  3. Step 3: Cross multiply
    5,134.96x = 7,086.46 × 2,896.92
  4. Step 4: Simplify right side
    5,134.96x = 20,528,907.70
  5. Step 5: Solve for x
    x = 20,528,907.70/5,134.96
  6. Step 6: Final answer
    x = 3,997.87

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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.