Home / 5,740.43-7,921.62-3,222.48

Finding the Fourth Proportional to 5,740.43, 7,921.62 and 3,222.48

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Solution

The fourth proportional to 5,740.43, 7,921.62 and 3,222.48 is: 4,446.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,740.43 : 7,921.62 = 3,222.48 : x
  2. Step 2: Convert to fraction form
    5,740.43/7,921.62 = 3,222.48/x
  3. Step 3: Cross multiply
    5,740.43x = 7,921.62 × 3,222.48
  4. Step 4: Simplify right side
    5,740.43x = 25,527,262.02
  5. Step 5: Solve for x
    x = 25,527,262.02/5,740.43
  6. Step 6: Final answer
    x = 4,446.92

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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.