Home / 3,414.85-5,121.52-1,334.18

Finding the Fourth Proportional to 3,414.85, 5,121.52 and 1,334.18

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Solution

The fourth proportional to 3,414.85, 5,121.52 and 1,334.18 is: 2,000.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,414.85 : 5,121.52 = 1,334.18 : x
  2. Step 2: Convert to fraction form
    3,414.85/5,121.52 = 1,334.18/x
  3. Step 3: Cross multiply
    3,414.85x = 5,121.52 × 1,334.18
  4. Step 4: Simplify right side
    3,414.85x = 6,833,029.55
  5. Step 5: Solve for x
    x = 6,833,029.55/3,414.85
  6. Step 6: Final answer
    x = 2,000.98

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1.5x scale

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.