Home / 5,968.20-8,238.60-3,609.75

Finding the Fourth Proportional to 5,968.20, 8,238.60 and 3,609.75

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Solution

The fourth proportional to 5,968.20, 8,238.60 and 3,609.75 is: 4,982.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,968.20 : 8,238.60 = 3,609.75 : x
  2. Step 2: Convert to fraction form
    5,968.20/8,238.60 = 3,609.75/x
  3. Step 3: Cross multiply
    5,968.20x = 8,238.60 × 3,609.75
  4. Step 4: Simplify right side
    5,968.20x = 29,739,286.35
  5. Step 5: Solve for x
    x = 29,739,286.35/5,968.20
  6. Step 6: Final answer
    x = 4,982.96

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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.