Home / 5,697.92-7,861.38-3,338.39

Finding the Fourth Proportional to 5,697.92, 7,861.38 and 3,338.39

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Solution

The fourth proportional to 5,697.92, 7,861.38 and 3,338.39 is: 4,605.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,697.92 : 7,861.38 = 3,338.39 : x
  2. Step 2: Convert to fraction form
    5,697.92/7,861.38 = 3,338.39/x
  3. Step 3: Cross multiply
    5,697.92x = 7,861.38 × 3,338.39
  4. Step 4: Simplify right side
    5,697.92x = 26,244,352.38
  5. Step 5: Solve for x
    x = 26,244,352.38/5,697.92
  6. Step 6: Final answer
    x = 4,605.95

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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.