Home / 2,912.12-4,370.30-2,183.66

Finding the Fourth Proportional to 2,912.12, 4,370.30 and 2,183.66

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Solution

The fourth proportional to 2,912.12, 4,370.30 and 2,183.66 is: 3,277.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912.12 : 4,370.30 = 2,183.66 : x
  2. Step 2: Convert to fraction form
    2,912.12/4,370.30 = 2,183.66/x
  3. Step 3: Cross multiply
    2,912.12x = 4,370.30 × 2,183.66
  4. Step 4: Simplify right side
    2,912.12x = 9,543,249.30
  5. Step 5: Solve for x
    x = 9,543,249.30/2,912.12
  6. Step 6: Final answer
    x = 3,277.08

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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.