Home / 5,745.21-8,618.49-2,047.97

Finding the Fourth Proportional to 5,745.21, 8,618.49 and 2,047.97

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Solution

The fourth proportional to 5,745.21, 8,618.49 and 2,047.97 is: 3,072.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,745.21 : 8,618.49 = 2,047.97 : x
  2. Step 2: Convert to fraction form
    5,745.21/8,618.49 = 2,047.97/x
  3. Step 3: Cross multiply
    5,745.21x = 8,618.49 × 2,047.97
  4. Step 4: Simplify right side
    5,745.21x = 17,650,365.87
  5. Step 5: Solve for x
    x = 17,650,365.87/5,745.21
  6. Step 6: Final answer
    x = 3,072.19

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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.