Home / 2,150.51-3,229.55-2,119.73

Finding the Fourth Proportional to 2,150.51, 3,229.55 and 2,119.73

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Solution

The fourth proportional to 2,150.51, 3,229.55 and 2,119.73 is: 3,183.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,150.51 : 3,229.55 = 2,119.73 : x
  2. Step 2: Convert to fraction form
    2,150.51/3,229.55 = 2,119.73/x
  3. Step 3: Cross multiply
    2,150.51x = 3,229.55 × 2,119.73
  4. Step 4: Simplify right side
    2,150.51x = 6,845,763.42
  5. Step 5: Solve for x
    x = 6,845,763.42/2,150.51
  6. Step 6: Final answer
    x = 3,183.32

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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.