Home / 3,620.82-5,426.76-2,062.14

Finding the Fourth Proportional to 3,620.82, 5,426.76 and 2,062.14

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Solution

The fourth proportional to 3,620.82, 5,426.76 and 2,062.14 is: 3,090.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620.82 : 5,426.76 = 2,062.14 : x
  2. Step 2: Convert to fraction form
    3,620.82/5,426.76 = 2,062.14/x
  3. Step 3: Cross multiply
    3,620.82x = 5,426.76 × 2,062.14
  4. Step 4: Simplify right side
    3,620.82x = 11,190,738.87
  5. Step 5: Solve for x
    x = 11,190,738.87/3,620.82
  6. Step 6: Final answer
    x = 3,090.66

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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.