Home / 7,172.22-10,760.49-2,242.38

Finding the Fourth Proportional to 7,172.22, 10,760.49 and 2,242.38

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Solution

The fourth proportional to 7,172.22, 10,760.49 and 2,242.38 is: 3,364.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,172.22 : 10,760.49 = 2,242.38 : x
  2. Step 2: Convert to fraction form
    7,172.22/10,760.49 = 2,242.38/x
  3. Step 3: Cross multiply
    7,172.22x = 10,760.49 × 2,242.38
  4. Step 4: Simplify right side
    7,172.22x = 24,129,107.57
  5. Step 5: Solve for x
    x = 24,129,107.57/7,172.22
  6. Step 6: Final answer
    x = 3,364.25

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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.