Home / 5,769.42-7,961.43-3,251.61

Finding the Fourth Proportional to 5,769.42, 7,961.43 and 3,251.61

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Solution

The fourth proportional to 5,769.42, 7,961.43 and 3,251.61 is: 4,487.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,769.42 : 7,961.43 = 3,251.61 : x
  2. Step 2: Convert to fraction form
    5,769.42/7,961.43 = 3,251.61/x
  3. Step 3: Cross multiply
    5,769.42x = 7,961.43 × 3,251.61
  4. Step 4: Simplify right side
    5,769.42x = 25,887,465.40
  5. Step 5: Solve for x
    x = 25,887,465.40/5,769.42
  6. Step 6: Final answer
    x = 4,487.01

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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.