Home / 5,524.11-7,620.21-3,636

Finding the Fourth Proportional to 5,524.11, 7,620.21 and 3,636

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Solution

The fourth proportional to 5,524.11, 7,620.21 and 3,636 is: 5,015.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,524.11 : 7,620.21 = 3,636 : x
  2. Step 2: Convert to fraction form
    5,524.11/7,620.21 = 3,636/x
  3. Step 3: Cross multiply
    5,524.11x = 7,620.21 × 3,636
  4. Step 4: Simplify right side
    5,524.11x = 27,707,083.56
  5. Step 5: Solve for x
    x = 27,707,083.56/5,524.11
  6. Step 6: Final answer
    x = 5,015.66

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Why These Related Problems?

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