Home / 3,447.30-5,171.04-850.26

Finding the Fourth Proportional to 3,447.30, 5,171.04 and 850.26

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Solution

The fourth proportional to 3,447.30, 5,171.04 and 850.26 is: 1,275.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,447.30 : 5,171.04 = 850.26 : x
  2. Step 2: Convert to fraction form
    3,447.30/5,171.04 = 850.26/x
  3. Step 3: Cross multiply
    3,447.30x = 5,171.04 × 850.26
  4. Step 4: Simplify right side
    3,447.30x = 4,396,728.47
  5. Step 5: Solve for x
    x = 4,396,728.47/3,447.30
  6. Step 6: Final answer
    x = 1,275.41

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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.