Home / 7,243.29-10,870.38-3,350.43

Finding the Fourth Proportional to 7,243.29, 10,870.38 and 3,350.43

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Solution

The fourth proportional to 7,243.29, 10,870.38 and 3,350.43 is: 5,028.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,243.29 : 10,870.38 = 3,350.43 : x
  2. Step 2: Convert to fraction form
    7,243.29/10,870.38 = 3,350.43/x
  3. Step 3: Cross multiply
    7,243.29x = 10,870.38 × 3,350.43
  4. Step 4: Simplify right side
    7,243.29x = 36,420,447.26
  5. Step 5: Solve for x
    x = 36,420,447.26/7,243.29
  6. Step 6: Final answer
    x = 5,028.16

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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.