Home / 5,739.75-7,921.46-3,222.54

Finding the Fourth Proportional to 5,739.75, 7,921.46 and 3,222.54

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Solution

The fourth proportional to 5,739.75, 7,921.46 and 3,222.54 is: 4,447.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,739.75 : 7,921.46 = 3,222.54 : x
  2. Step 2: Convert to fraction form
    5,739.75/7,921.46 = 3,222.54/x
  3. Step 3: Cross multiply
    5,739.75x = 7,921.46 × 3,222.54
  4. Step 4: Simplify right side
    5,739.75x = 25,527,221.71
  5. Step 5: Solve for x
    x = 25,527,221.71/5,739.75
  6. Step 6: Final answer
    x = 4,447.44

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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.