Home / 5,245.36-7,860.62-2,906.43

Finding the Fourth Proportional to 5,245.36, 7,860.62 and 2,906.43

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Solution

The fourth proportional to 5,245.36, 7,860.62 and 2,906.43 is: 4,355.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,245.36 : 7,860.62 = 2,906.43 : x
  2. Step 2: Convert to fraction form
    5,245.36/7,860.62 = 2,906.43/x
  3. Step 3: Cross multiply
    5,245.36x = 7,860.62 × 2,906.43
  4. Step 4: Simplify right side
    5,245.36x = 22,846,355.62
  5. Step 5: Solve for x
    x = 22,846,355.62/5,245.36
  6. Step 6: Final answer
    x = 4,355.54

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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.