Home / 3,715.05-5,126.77-2,222.97

Finding the Fourth Proportional to 3,715.05, 5,126.77 and 2,222.97

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Solution

The fourth proportional to 3,715.05, 5,126.77 and 2,222.97 is: 3,067.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,715.05 : 5,126.77 = 2,222.97 : x
  2. Step 2: Convert to fraction form
    3,715.05/5,126.77 = 2,222.97/x
  3. Step 3: Cross multiply
    3,715.05x = 5,126.77 × 2,222.97
  4. Step 4: Simplify right side
    3,715.05x = 11,396,655.91
  5. Step 5: Solve for x
    x = 11,396,655.91/3,715.05
  6. Step 6: Final answer
    x = 3,067.70

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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.