Home / 5,422.21-8,134.44-3,083.29

Finding the Fourth Proportional to 5,422.21, 8,134.44 and 3,083.29

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Solution

The fourth proportional to 5,422.21, 8,134.44 and 3,083.29 is: 4,625.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,422.21 : 8,134.44 = 3,083.29 : x
  2. Step 2: Convert to fraction form
    5,422.21/8,134.44 = 3,083.29/x
  3. Step 3: Cross multiply
    5,422.21x = 8,134.44 × 3,083.29
  4. Step 4: Simplify right side
    5,422.21x = 25,080,837.51
  5. Step 5: Solve for x
    x = 25,080,837.51/5,422.21
  6. Step 6: Final answer
    x = 4,625.57

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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.