Home / 6,918.96-10,375.87-2,237.75

Finding the Fourth Proportional to 6,918.96, 10,375.87 and 2,237.75

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Solution

The fourth proportional to 6,918.96, 10,375.87 and 2,237.75 is: 3,355.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,918.96 : 10,375.87 = 2,237.75 : x
  2. Step 2: Convert to fraction form
    6,918.96/10,375.87 = 2,237.75/x
  3. Step 3: Cross multiply
    6,918.96x = 10,375.87 × 2,237.75
  4. Step 4: Simplify right side
    6,918.96x = 23,218,624.20
  5. Step 5: Solve for x
    x = 23,218,624.20/6,918.96
  6. Step 6: Final answer
    x = 3,355.80

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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.