Home / 2,150.66-3,217.07-2,019.44

Finding the Fourth Proportional to 2,150.66, 3,217.07 and 2,019.44

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Solution

The fourth proportional to 2,150.66, 3,217.07 and 2,019.44 is: 3,020.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,150.66 : 3,217.07 = 2,019.44 : x
  2. Step 2: Convert to fraction form
    2,150.66/3,217.07 = 2,019.44/x
  3. Step 3: Cross multiply
    2,150.66x = 3,217.07 × 2,019.44
  4. Step 4: Simplify right side
    2,150.66x = 6,496,653.66
  5. Step 5: Solve for x
    x = 6,496,653.66/2,150.66
  6. Step 6: Final answer
    x = 3,020.78

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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.