Home / 5,768.33-7,960.29-3,115.73

Finding the Fourth Proportional to 5,768.33, 7,960.29 and 3,115.73

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Solution

The fourth proportional to 5,768.33, 7,960.29 and 3,115.73 is: 4,299.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,768.33 : 7,960.29 = 3,115.73 : x
  2. Step 2: Convert to fraction form
    5,768.33/7,960.29 = 3,115.73/x
  3. Step 3: Cross multiply
    5,768.33x = 7,960.29 × 3,115.73
  4. Step 4: Simplify right side
    5,768.33x = 24,802,163.47
  5. Step 5: Solve for x
    x = 24,802,163.47/5,768.33
  6. Step 6: Final answer
    x = 4,299.72

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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.