Home / 3,313.96-4,932.29-3,171.88

Finding the Fourth Proportional to 3,313.96, 4,932.29 and 3,171.88

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Solution

The fourth proportional to 3,313.96, 4,932.29 and 3,171.88 is: 4,720.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,313.96 : 4,932.29 = 3,171.88 : x
  2. Step 2: Convert to fraction form
    3,313.96/4,932.29 = 3,171.88/x
  3. Step 3: Cross multiply
    3,313.96x = 4,932.29 × 3,171.88
  4. Step 4: Simplify right side
    3,313.96x = 15,644,632.01
  5. Step 5: Solve for x
    x = 15,644,632.01/3,313.96
  6. Step 6: Final answer
    x = 4,720.83

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.