Home / 5,739.77-7,921.27-3,222.06

Finding the Fourth Proportional to 5,739.77, 7,921.27 and 3,222.06

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Solution

The fourth proportional to 5,739.77, 7,921.27 and 3,222.06 is: 4,446.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,739.77 : 7,921.27 = 3,222.06 : x
  2. Step 2: Convert to fraction form
    5,739.77/7,921.27 = 3,222.06/x
  3. Step 3: Cross multiply
    5,739.77x = 7,921.27 × 3,222.06
  4. Step 4: Simplify right side
    5,739.77x = 25,522,791.11
  5. Step 5: Solve for x
    x = 25,522,791.11/5,739.77
  6. Step 6: Final answer
    x = 4,446.66

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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.