Home / 5,408.38-7,463.60-3,170.32

Finding the Fourth Proportional to 5,408.38, 7,463.60 and 3,170.32

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Solution

The fourth proportional to 5,408.38, 7,463.60 and 3,170.32 is: 4,375.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,408.38 : 7,463.60 = 3,170.32 : x
  2. Step 2: Convert to fraction form
    5,408.38/7,463.60 = 3,170.32/x
  3. Step 3: Cross multiply
    5,408.38x = 7,463.60 × 3,170.32
  4. Step 4: Simplify right side
    5,408.38x = 23,662,000.35
  5. Step 5: Solve for x
    x = 23,662,000.35/5,408.38
  6. Step 6: Final answer
    x = 4,375.06

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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.