Home / 5,740.26-7,921.63-3,222.91

Finding the Fourth Proportional to 5,740.26, 7,921.63 and 3,222.91

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Solution

The fourth proportional to 5,740.26, 7,921.63 and 3,222.91 is: 4,447.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,740.26 : 7,921.63 = 3,222.91 : x
  2. Step 2: Convert to fraction form
    5,740.26/7,921.63 = 3,222.91/x
  3. Step 3: Cross multiply
    5,740.26x = 7,921.63 × 3,222.91
  4. Step 4: Simplify right side
    5,740.26x = 25,530,700.54
  5. Step 5: Solve for x
    x = 25,530,700.54/5,740.26
  6. Step 6: Final answer
    x = 4,447.66

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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.