Home / 5,299.82-7,948.21-2,137.25

Finding the Fourth Proportional to 5,299.82, 7,948.21 and 2,137.25

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Solution

The fourth proportional to 5,299.82, 7,948.21 and 2,137.25 is: 3,205.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,299.82 : 7,948.21 = 2,137.25 : x
  2. Step 2: Convert to fraction form
    5,299.82/7,948.21 = 2,137.25/x
  3. Step 3: Cross multiply
    5,299.82x = 7,948.21 × 2,137.25
  4. Step 4: Simplify right side
    5,299.82x = 16,987,311.82
  5. Step 5: Solve for x
    x = 16,987,311.82/5,299.82
  6. Step 6: Final answer
    x = 3,205.26

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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.