Home / 5,914-8,161.38-3,556.18

Finding the Fourth Proportional to 5,914, 8,161.38 and 3,556.18

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Solution

The fourth proportional to 5,914, 8,161.38 and 3,556.18 is: 4,907.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,914 : 8,161.38 = 3,556.18 : x
  2. Step 2: Convert to fraction form
    5,914/8,161.38 = 3,556.18/x
  3. Step 3: Cross multiply
    5,914x = 8,161.38 × 3,556.18
  4. Step 4: Simplify right side
    5,914x = 29,023,336.33
  5. Step 5: Solve for x
    x = 29,023,336.33/5,914
  6. Step 6: Final answer
    x = 4,907.56

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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.