Home / 7,323.10-10,986.26-3,425.38

Finding the Fourth Proportional to 7,323.10, 10,986.26 and 3,425.38

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Solution

The fourth proportional to 7,323.10, 10,986.26 and 3,425.38 is: 5,138.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,323.10 : 10,986.26 = 3,425.38 : x
  2. Step 2: Convert to fraction form
    7,323.10/10,986.26 = 3,425.38/x
  3. Step 3: Cross multiply
    7,323.10x = 10,986.26 × 3,425.38
  4. Step 4: Simplify right side
    7,323.10x = 37,632,115.28
  5. Step 5: Solve for x
    x = 37,632,115.28/7,323.10
  6. Step 6: Final answer
    x = 5,138.82

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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.