Home / 2,734.97-4,103.53-1,640.12

Finding the Fourth Proportional to 2,734.97, 4,103.53 and 1,640.12

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Solution

The fourth proportional to 2,734.97, 4,103.53 and 1,640.12 is: 2,460.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,734.97 : 4,103.53 = 1,640.12 : x
  2. Step 2: Convert to fraction form
    2,734.97/4,103.53 = 1,640.12/x
  3. Step 3: Cross multiply
    2,734.97x = 4,103.53 × 1,640.12
  4. Step 4: Simplify right side
    2,734.97x = 6,730,257.01
  5. Step 5: Solve for x
    x = 6,730,257.01/2,734.97
  6. Step 6: Final answer
    x = 2,460.82

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1.5x scale

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.