Home / 4,198.49-6,322.73-3,657.21

Finding the Fourth Proportional to 4,198.49, 6,322.73 and 3,657.21

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Solution

The fourth proportional to 4,198.49, 6,322.73 and 3,657.21 is: 5,507.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,198.49 : 6,322.73 = 3,657.21 : x
  2. Step 2: Convert to fraction form
    4,198.49/6,322.73 = 3,657.21/x
  3. Step 3: Cross multiply
    4,198.49x = 6,322.73 × 3,657.21
  4. Step 4: Simplify right side
    4,198.49x = 23,123,551.38
  5. Step 5: Solve for x
    x = 23,123,551.38/4,198.49
  6. Step 6: Final answer
    x = 5,507.59

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.