Home / 5,245.82-7,868.76-1,350.26

Finding the Fourth Proportional to 5,245.82, 7,868.76 and 1,350.26

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Solution

The fourth proportional to 5,245.82, 7,868.76 and 1,350.26 is: 2,025.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,245.82 : 7,868.76 = 1,350.26 : x
  2. Step 2: Convert to fraction form
    5,245.82/7,868.76 = 1,350.26/x
  3. Step 3: Cross multiply
    5,245.82x = 7,868.76 × 1,350.26
  4. Step 4: Simplify right side
    5,245.82x = 10,624,825.78
  5. Step 5: Solve for x
    x = 10,624,825.78/5,245.82
  6. Step 6: Final answer
    x = 2,025.39

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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.