Home / 3,911.24-5,867.94-3,481.40

Finding the Fourth Proportional to 3,911.24, 5,867.94 and 3,481.40

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Solution

The fourth proportional to 3,911.24, 5,867.94 and 3,481.40 is: 5,223.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,911.24 : 5,867.94 = 3,481.40 : x
  2. Step 2: Convert to fraction form
    3,911.24/5,867.94 = 3,481.40/x
  3. Step 3: Cross multiply
    3,911.24x = 5,867.94 × 3,481.40
  4. Step 4: Simplify right side
    3,911.24x = 20,428,646.32
  5. Step 5: Solve for x
    x = 20,428,646.32/3,911.24
  6. Step 6: Final answer
    x = 5,223.06

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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.