Home / 4,121.67-5,687.82-2,944.74

Finding the Fourth Proportional to 4,121.67, 5,687.82 and 2,944.74

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Solution

The fourth proportional to 4,121.67, 5,687.82 and 2,944.74 is: 4,063.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.67 : 5,687.82 = 2,944.74 : x
  2. Step 2: Convert to fraction form
    4,121.67/5,687.82 = 2,944.74/x
  3. Step 3: Cross multiply
    4,121.67x = 5,687.82 × 2,944.74
  4. Step 4: Simplify right side
    4,121.67x = 16,749,151.07
  5. Step 5: Solve for x
    x = 16,749,151.07/4,121.67
  6. Step 6: Final answer
    x = 4,063.68

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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.