Home / 4,222.82-5,829.57-2,651.78

Finding the Fourth Proportional to 4,222.82, 5,829.57 and 2,651.78

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Solution

The fourth proportional to 4,222.82, 5,829.57 and 2,651.78 is: 3,660.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,222.82 : 5,829.57 = 2,651.78 : x
  2. Step 2: Convert to fraction form
    4,222.82/5,829.57 = 2,651.78/x
  3. Step 3: Cross multiply
    4,222.82x = 5,829.57 × 2,651.78
  4. Step 4: Simplify right side
    4,222.82x = 15,458,737.13
  5. Step 5: Solve for x
    x = 15,458,737.13/4,222.82
  6. Step 6: Final answer
    x = 3,660.76

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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.