Home / 5,131.07-7,081.49-2,893.37

Finding the Fourth Proportional to 5,131.07, 7,081.49 and 2,893.37

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Solution

The fourth proportional to 5,131.07, 7,081.49 and 2,893.37 is: 3,993.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,131.07 : 7,081.49 = 2,893.37 : x
  2. Step 2: Convert to fraction form
    5,131.07/7,081.49 = 2,893.37/x
  3. Step 3: Cross multiply
    5,131.07x = 7,081.49 × 2,893.37
  4. Step 4: Simplify right side
    5,131.07x = 20,489,370.72
  5. Step 5: Solve for x
    x = 20,489,370.72/5,131.07
  6. Step 6: Final answer
    x = 3,993.20

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.