Home / 3,958.08-5,452.32-3,781.44

Finding the Fourth Proportional to 3,958.08, 5,452.32 and 3,781.44

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Solution

The fourth proportional to 3,958.08, 5,452.32 and 3,781.44 is: 5,209.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,958.08 : 5,452.32 = 3,781.44 : x
  2. Step 2: Convert to fraction form
    3,958.08/5,452.32 = 3,781.44/x
  3. Step 3: Cross multiply
    3,958.08x = 5,452.32 × 3,781.44
  4. Step 4: Simplify right side
    3,958.08x = 20,617,620.94
  5. Step 5: Solve for x
    x = 20,617,620.94/3,958.08
  6. Step 6: Final answer
    x = 5,209.00

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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.