Home / 5,884.22-8,119.90-3,231.20

Finding the Fourth Proportional to 5,884.22, 8,119.90 and 3,231.20

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Solution

The fourth proportional to 5,884.22, 8,119.90 and 3,231.20 is: 4,458.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,884.22 : 8,119.90 = 3,231.20 : x
  2. Step 2: Convert to fraction form
    5,884.22/8,119.90 = 3,231.20/x
  3. Step 3: Cross multiply
    5,884.22x = 8,119.90 × 3,231.20
  4. Step 4: Simplify right side
    5,884.22x = 26,237,020.88
  5. Step 5: Solve for x
    x = 26,237,020.88/5,884.22
  6. Step 6: Final answer
    x = 4,458.88

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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.