Home / 5,255.26-7,868.98-3,172.48

Finding the Fourth Proportional to 5,255.26, 7,868.98 and 3,172.48

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Solution

The fourth proportional to 5,255.26, 7,868.98 and 3,172.48 is: 4,750.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,255.26 : 7,868.98 = 3,172.48 : x
  2. Step 2: Convert to fraction form
    5,255.26/7,868.98 = 3,172.48/x
  3. Step 3: Cross multiply
    5,255.26x = 7,868.98 × 3,172.48
  4. Step 4: Simplify right side
    5,255.26x = 24,964,181.67
  5. Step 5: Solve for x
    x = 24,964,181.67/5,255.26
  6. Step 6: Final answer
    x = 4,750.32

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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.