Home / 6,278.97-8,664.69-3,446.28

Finding the Fourth Proportional to 6,278.97, 8,664.69 and 3,446.28

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Solution

The fourth proportional to 6,278.97, 8,664.69 and 3,446.28 is: 4,755.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,278.97 : 8,664.69 = 3,446.28 : x
  2. Step 2: Convert to fraction form
    6,278.97/8,664.69 = 3,446.28/x
  3. Step 3: Cross multiply
    6,278.97x = 8,664.69 × 3,446.28
  4. Step 4: Simplify right side
    6,278.97x = 29,860,947.85
  5. Step 5: Solve for x
    x = 29,860,947.85/6,278.97
  6. Step 6: Final answer
    x = 4,755.71

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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.