Home / 5,492.20-8,231.10-2,202.60

Finding the Fourth Proportional to 5,492.20, 8,231.10 and 2,202.60

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Solution

The fourth proportional to 5,492.20, 8,231.10 and 2,202.60 is: 3,301.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,492.20 : 8,231.10 = 2,202.60 : x
  2. Step 2: Convert to fraction form
    5,492.20/8,231.10 = 2,202.60/x
  3. Step 3: Cross multiply
    5,492.20x = 8,231.10 × 2,202.60
  4. Step 4: Simplify right side
    5,492.20x = 18,129,820.86
  5. Step 5: Solve for x
    x = 18,129,820.86/5,492.20
  6. Step 6: Final answer
    x = 3,301.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.