Home / 3,447.52-5,168.13-2,215.24

Finding the Fourth Proportional to 3,447.52, 5,168.13 and 2,215.24

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Solution

The fourth proportional to 3,447.52, 5,168.13 and 2,215.24 is: 3,320.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,447.52 : 5,168.13 = 2,215.24 : x
  2. Step 2: Convert to fraction form
    3,447.52/5,168.13 = 2,215.24/x
  3. Step 3: Cross multiply
    3,447.52x = 5,168.13 × 2,215.24
  4. Step 4: Simplify right side
    3,447.52x = 11,448,648.30
  5. Step 5: Solve for x
    x = 11,448,648.30/3,447.52
  6. Step 6: Final answer
    x = 3,320.84

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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.