Home / 5,409.14-8,108.13-3,924.66

Finding the Fourth Proportional to 5,409.14, 8,108.13 and 3,924.66

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Solution

The fourth proportional to 5,409.14, 8,108.13 and 3,924.66 is: 5,882.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,409.14 : 8,108.13 = 3,924.66 : x
  2. Step 2: Convert to fraction form
    5,409.14/8,108.13 = 3,924.66/x
  3. Step 3: Cross multiply
    5,409.14x = 8,108.13 × 3,924.66
  4. Step 4: Simplify right side
    5,409.14x = 31,821,612.95
  5. Step 5: Solve for x
    x = 31,821,612.95/5,409.14
  6. Step 6: Final answer
    x = 5,882.94

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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.