Home / 2,993.88-4,132.08-2,251.56

Finding the Fourth Proportional to 2,993.88, 4,132.08 and 2,251.56

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Solution

The fourth proportional to 2,993.88, 4,132.08 and 2,251.56 is: 3,107.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,993.88 : 4,132.08 = 2,251.56 : x
  2. Step 2: Convert to fraction form
    2,993.88/4,132.08 = 2,251.56/x
  3. Step 3: Cross multiply
    2,993.88x = 4,132.08 × 2,251.56
  4. Step 4: Simplify right side
    2,993.88x = 9,303,626.04
  5. Step 5: Solve for x
    x = 9,303,626.04/2,993.88
  6. Step 6: Final answer
    x = 3,107.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.