Home / 5,408.38-7,465.42-3,170.92

Finding the Fourth Proportional to 5,408.38, 7,465.42 and 3,170.92

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Solution

The fourth proportional to 5,408.38, 7,465.42 and 3,170.92 is: 4,376.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,408.38 : 7,465.42 = 3,170.92 : x
  2. Step 2: Convert to fraction form
    5,408.38/7,465.42 = 3,170.92/x
  3. Step 3: Cross multiply
    5,408.38x = 7,465.42 × 3,170.92
  4. Step 4: Simplify right side
    5,408.38x = 23,672,252.04
  5. Step 5: Solve for x
    x = 23,672,252.04/5,408.38
  6. Step 6: Final answer
    x = 4,376.96

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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.