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Finding the Fourth Proportional to 4,334.12, 5,978.97 and 2,841.38

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Solution

The fourth proportional to 4,334.12, 5,978.97 and 2,841.38 is: 3,919.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,334.12 : 5,978.97 = 2,841.38 : x
  2. Step 2: Convert to fraction form
    4,334.12/5,978.97 = 2,841.38/x
  3. Step 3: Cross multiply
    4,334.12x = 5,978.97 × 2,841.38
  4. Step 4: Simplify right side
    4,334.12x = 16,988,525.78
  5. Step 5: Solve for x
    x = 16,988,525.78/4,334.12
  6. Step 6: Final answer
    x = 3,919.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.