Home / 5,711.56-7,878.66-3,353.24

Finding the Fourth Proportional to 5,711.56, 7,878.66 and 3,353.24

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Solution

The fourth proportional to 5,711.56, 7,878.66 and 3,353.24 is: 4,625.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,711.56 : 7,878.66 = 3,353.24 : x
  2. Step 2: Convert to fraction form
    5,711.56/7,878.66 = 3,353.24/x
  3. Step 3: Cross multiply
    5,711.56x = 7,878.66 × 3,353.24
  4. Step 4: Simplify right side
    5,711.56x = 26,419,037.86
  5. Step 5: Solve for x
    x = 26,419,037.86/5,711.56
  6. Step 6: Final answer
    x = 4,625.54

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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.