Home / 2,252.23-3,378.24-791.39

Finding the Fourth Proportional to 2,252.23, 3,378.24 and 791.39

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Solution

The fourth proportional to 2,252.23, 3,378.24 and 791.39 is: 1,187.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,252.23 : 3,378.24 = 791.39 : x
  2. Step 2: Convert to fraction form
    2,252.23/3,378.24 = 791.39/x
  3. Step 3: Cross multiply
    2,252.23x = 3,378.24 × 791.39
  4. Step 4: Simplify right side
    2,252.23x = 2,673,513.80
  5. Step 5: Solve for x
    x = 2,673,513.80/2,252.23
  6. Step 6: Final answer
    x = 1,187.05

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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.