Home / 5,918.86-8,882.25-2,456.11

Finding the Fourth Proportional to 5,918.86, 8,882.25 and 2,456.11

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Solution

The fourth proportional to 5,918.86, 8,882.25 and 2,456.11 is: 3,685.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,918.86 : 8,882.25 = 2,456.11 : x
  2. Step 2: Convert to fraction form
    5,918.86/8,882.25 = 2,456.11/x
  3. Step 3: Cross multiply
    5,918.86x = 8,882.25 × 2,456.11
  4. Step 4: Simplify right side
    5,918.86x = 21,815,783.05
  5. Step 5: Solve for x
    x = 21,815,783.05/5,918.86
  6. Step 6: Final answer
    x = 3,685.81

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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.