Home / 7,382.22-11,078.19-3,487.02

Finding the Fourth Proportional to 7,382.22, 11,078.19 and 3,487.02

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Solution

The fourth proportional to 7,382.22, 11,078.19 and 3,487.02 is: 5,232.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,382.22 : 11,078.19 = 3,487.02 : x
  2. Step 2: Convert to fraction form
    7,382.22/11,078.19 = 3,487.02/x
  3. Step 3: Cross multiply
    7,382.22x = 11,078.19 × 3,487.02
  4. Step 4: Simplify right side
    7,382.22x = 38,629,870.09
  5. Step 5: Solve for x
    x = 38,629,870.09/7,382.22
  6. Step 6: Final answer
    x = 5,232.83

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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.