Home / 5,260.14-7,258.41-3,163.86

Finding the Fourth Proportional to 5,260.14, 7,258.41 and 3,163.86

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Solution

The fourth proportional to 5,260.14, 7,258.41 and 3,163.86 is: 4,365.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,260.14 : 7,258.41 = 3,163.86 : x
  2. Step 2: Convert to fraction form
    5,260.14/7,258.41 = 3,163.86/x
  3. Step 3: Cross multiply
    5,260.14x = 7,258.41 × 3,163.86
  4. Step 4: Simplify right side
    5,260.14x = 22,964,593.06
  5. Step 5: Solve for x
    x = 22,964,593.06/5,260.14
  6. Step 6: Final answer
    x = 4,365.78

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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.