Home / 4,121.62-6,182.12-1,348.25

Finding the Fourth Proportional to 4,121.62, 6,182.12 and 1,348.25

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Solution

The fourth proportional to 4,121.62, 6,182.12 and 1,348.25 is: 2,022.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.62 : 6,182.12 = 1,348.25 : x
  2. Step 2: Convert to fraction form
    4,121.62/6,182.12 = 1,348.25/x
  3. Step 3: Cross multiply
    4,121.62x = 6,182.12 × 1,348.25
  4. Step 4: Simplify right side
    4,121.62x = 8,335,015.75
  5. Step 5: Solve for x
    x = 8,335,015.75/4,121.62
  6. Step 6: Final answer
    x = 2,022.27

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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.