Home / 3,956.49-5,932.74-2,107.08

Finding the Fourth Proportional to 3,956.49, 5,932.74 and 2,107.08

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Solution

The fourth proportional to 3,956.49, 5,932.74 and 2,107.08 is: 3,159.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,956.49 : 5,932.74 = 2,107.08 : x
  2. Step 2: Convert to fraction form
    3,956.49/5,932.74 = 2,107.08/x
  3. Step 3: Cross multiply
    3,956.49x = 5,932.74 × 2,107.08
  4. Step 4: Simplify right side
    3,956.49x = 12,500,757.80
  5. Step 5: Solve for x
    x = 12,500,757.80/3,956.49
  6. Step 6: Final answer
    x = 3,159.56

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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.