Home / 5,892.30-8,131.40-3,239.88

Finding the Fourth Proportional to 5,892.30, 8,131.40 and 3,239.88

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Solution

The fourth proportional to 5,892.30, 8,131.40 and 3,239.88 is: 4,471.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,892.30 : 8,131.40 = 3,239.88 : x
  2. Step 2: Convert to fraction form
    5,892.30/8,131.40 = 3,239.88/x
  3. Step 3: Cross multiply
    5,892.30x = 8,131.40 × 3,239.88
  4. Step 4: Simplify right side
    5,892.30x = 26,344,760.23
  5. Step 5: Solve for x
    x = 26,344,760.23/5,892.30
  6. Step 6: Final answer
    x = 4,471.05

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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.