Home / 3,770.94-5,202.78-2,198.76

Finding the Fourth Proportional to 3,770.94, 5,202.78 and 2,198.76

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Solution

The fourth proportional to 3,770.94, 5,202.78 and 2,198.76 is: 3,033.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,770.94 : 5,202.78 = 2,198.76 : x
  2. Step 2: Convert to fraction form
    3,770.94/5,202.78 = 2,198.76/x
  3. Step 3: Cross multiply
    3,770.94x = 5,202.78 × 2,198.76
  4. Step 4: Simplify right side
    3,770.94x = 11,439,664.55
  5. Step 5: Solve for x
    x = 11,439,664.55/3,770.94
  6. Step 6: Final answer
    x = 3,033.64

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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.