Home / 2,734.10-4,103.55-2,186.90

Finding the Fourth Proportional to 2,734.10, 4,103.55 and 2,186.90

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Solution

The fourth proportional to 2,734.10, 4,103.55 and 2,186.90 is: 3,282.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,734.10 : 4,103.55 = 2,186.90 : x
  2. Step 2: Convert to fraction form
    2,734.10/4,103.55 = 2,186.90/x
  3. Step 3: Cross multiply
    2,734.10x = 4,103.55 × 2,186.90
  4. Step 4: Simplify right side
    2,734.10x = 8,974,053.50
  5. Step 5: Solve for x
    x = 8,974,053.50/2,734.10
  6. Step 6: Final answer
    x = 3,282.27

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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.