Home / 5,109.54-7,660.66-2,474.20

Finding the Fourth Proportional to 5,109.54, 7,660.66 and 2,474.20

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Solution

The fourth proportional to 5,109.54, 7,660.66 and 2,474.20 is: 3,709.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,109.54 : 7,660.66 = 2,474.20 : x
  2. Step 2: Convert to fraction form
    5,109.54/7,660.66 = 2,474.20/x
  3. Step 3: Cross multiply
    5,109.54x = 7,660.66 × 2,474.20
  4. Step 4: Simplify right side
    5,109.54x = 18,954,004.97
  5. Step 5: Solve for x
    x = 18,954,004.97/5,109.54
  6. Step 6: Final answer
    x = 3,709.53

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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.