Home / 3,167.46-4,371.57-1,842.12

Finding the Fourth Proportional to 3,167.46, 4,371.57 and 1,842.12

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Solution

The fourth proportional to 3,167.46, 4,371.57 and 1,842.12 is: 2,542.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,167.46 : 4,371.57 = 1,842.12 : x
  2. Step 2: Convert to fraction form
    3,167.46/4,371.57 = 1,842.12/x
  3. Step 3: Cross multiply
    3,167.46x = 4,371.57 × 1,842.12
  4. Step 4: Simplify right side
    3,167.46x = 8,052,956.53
  5. Step 5: Solve for x
    x = 8,052,956.53/3,167.46
  6. Step 6: Final answer
    x = 2,542.40

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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.