Home / 3,122.26-4,310.58-1,944.94

Finding the Fourth Proportional to 3,122.26, 4,310.58 and 1,944.94

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Solution

The fourth proportional to 3,122.26, 4,310.58 and 1,944.94 is: 2,685.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,122.26 : 4,310.58 = 1,944.94 : x
  2. Step 2: Convert to fraction form
    3,122.26/4,310.58 = 1,944.94/x
  3. Step 3: Cross multiply
    3,122.26x = 4,310.58 × 1,944.94
  4. Step 4: Simplify right side
    3,122.26x = 8,383,819.47
  5. Step 5: Solve for x
    x = 8,383,819.47/3,122.26
  6. Step 6: Final answer
    x = 2,685.18

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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.