Home / 3,183.26-4,392.01-1,906.62

Finding the Fourth Proportional to 3,183.26, 4,392.01 and 1,906.62

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Solution

The fourth proportional to 3,183.26, 4,392.01 and 1,906.62 is: 2,630.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,183.26 : 4,392.01 = 1,906.62 : x
  2. Step 2: Convert to fraction form
    3,183.26/4,392.01 = 1,906.62/x
  3. Step 3: Cross multiply
    3,183.26x = 4,392.01 × 1,906.62
  4. Step 4: Simplify right side
    3,183.26x = 8,373,862.61
  5. Step 5: Solve for x
    x = 8,373,862.61/3,183.26
  6. Step 6: Final answer
    x = 2,630.59

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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.