Home / 3,134.12-4,321.14-2,294.12

Finding the Fourth Proportional to 3,134.12, 4,321.14 and 2,294.12

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Solution

The fourth proportional to 3,134.12, 4,321.14 and 2,294.12 is: 3,163.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134.12 : 4,321.14 = 2,294.12 : x
  2. Step 2: Convert to fraction form
    3,134.12/4,321.14 = 2,294.12/x
  3. Step 3: Cross multiply
    3,134.12x = 4,321.14 × 2,294.12
  4. Step 4: Simplify right side
    3,134.12x = 9,913,213.70
  5. Step 5: Solve for x
    x = 9,913,213.70/3,134.12
  6. Step 6: Final answer
    x = 3,163.00

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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.