Home / 5,072.22-7,603.14-2,112.39

Finding the Fourth Proportional to 5,072.22, 7,603.14 and 2,112.39

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Solution

The fourth proportional to 5,072.22, 7,603.14 and 2,112.39 is: 3,166.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,072.22 : 7,603.14 = 2,112.39 : x
  2. Step 2: Convert to fraction form
    5,072.22/7,603.14 = 2,112.39/x
  3. Step 3: Cross multiply
    5,072.22x = 7,603.14 × 2,112.39
  4. Step 4: Simplify right side
    5,072.22x = 16,060,796.90
  5. Step 5: Solve for x
    x = 16,060,796.90/5,072.22
  6. Step 6: Final answer
    x = 3,166.42

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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.