Home / 7,023.12-10,536.17-2,640.61

Finding the Fourth Proportional to 7,023.12, 10,536.17 and 2,640.61

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Solution

The fourth proportional to 7,023.12, 10,536.17 and 2,640.61 is: 3,961.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,023.12 : 10,536.17 = 2,640.61 : x
  2. Step 2: Convert to fraction form
    7,023.12/10,536.17 = 2,640.61/x
  3. Step 3: Cross multiply
    7,023.12x = 10,536.17 × 2,640.61
  4. Step 4: Simplify right side
    7,023.12x = 27,821,915.86
  5. Step 5: Solve for x
    x = 27,821,915.86/7,023.12
  6. Step 6: Final answer
    x = 3,961.48

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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.