Home / 3,770.36-5,203.38-2,198.12

Finding the Fourth Proportional to 3,770.36, 5,203.38 and 2,198.12

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Solution

The fourth proportional to 3,770.36, 5,203.38 and 2,198.12 is: 3,033.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,770.36 : 5,203.38 = 2,198.12 : x
  2. Step 2: Convert to fraction form
    3,770.36/5,203.38 = 2,198.12/x
  3. Step 3: Cross multiply
    3,770.36x = 5,203.38 × 2,198.12
  4. Step 4: Simplify right side
    3,770.36x = 11,437,653.65
  5. Step 5: Solve for x
    x = 11,437,653.65/3,770.36
  6. Step 6: Final answer
    x = 3,033.57

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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.