Home / 5,168.33-7,129.26-3,251.10

Finding the Fourth Proportional to 5,168.33, 7,129.26 and 3,251.10

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Solution

The fourth proportional to 5,168.33, 7,129.26 and 3,251.10 is: 4,484.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,168.33 : 7,129.26 = 3,251.10 : x
  2. Step 2: Convert to fraction form
    5,168.33/7,129.26 = 3,251.10/x
  3. Step 3: Cross multiply
    5,168.33x = 7,129.26 × 3,251.10
  4. Step 4: Simplify right side
    5,168.33x = 23,177,909.66
  5. Step 5: Solve for x
    x = 23,177,909.66/5,168.33
  6. Step 6: Final answer
    x = 4,484.60

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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.