Home / 3,168.82-4,374.48-2,425.87

Finding the Fourth Proportional to 3,168.82, 4,374.48 and 2,425.87

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Solution

The fourth proportional to 3,168.82, 4,374.48 and 2,425.87 is: 3,348.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168.82 : 4,374.48 = 2,425.87 : x
  2. Step 2: Convert to fraction form
    3,168.82/4,374.48 = 2,425.87/x
  3. Step 3: Cross multiply
    3,168.82x = 4,374.48 × 2,425.87
  4. Step 4: Simplify right side
    3,168.82x = 10,611,919.80
  5. Step 5: Solve for x
    x = 10,611,919.80/3,168.82
  6. Step 6: Final answer
    x = 3,348.86

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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.