Home / 5,165.31-7,744.81-2,202.09

Finding the Fourth Proportional to 5,165.31, 7,744.81 and 2,202.09

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Solution

The fourth proportional to 5,165.31, 7,744.81 and 2,202.09 is: 3,301.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,165.31 : 7,744.81 = 2,202.09 : x
  2. Step 2: Convert to fraction form
    5,165.31/7,744.81 = 2,202.09/x
  3. Step 3: Cross multiply
    5,165.31x = 7,744.81 × 2,202.09
  4. Step 4: Simplify right side
    5,165.31x = 17,054,768.65
  5. Step 5: Solve for x
    x = 17,054,768.65/5,165.31
  6. Step 6: Final answer
    x = 3,301.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.