Home / 6,432-9,645.51-2,734.38

Finding the Fourth Proportional to 6,432, 9,645.51 and 2,734.38

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Solution

The fourth proportional to 6,432, 9,645.51 and 2,734.38 is: 4,100.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,432 : 9,645.51 = 2,734.38 : x
  2. Step 2: Convert to fraction form
    6,432/9,645.51 = 2,734.38/x
  3. Step 3: Cross multiply
    6,432x = 9,645.51 × 2,734.38
  4. Step 4: Simplify right side
    6,432x = 26,374,489.63
  5. Step 5: Solve for x
    x = 26,374,489.63/6,432
  6. Step 6: Final answer
    x = 4,100.51

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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.