Home / 7,244.38-10,867.79-2,245.60

Finding the Fourth Proportional to 7,244.38, 10,867.79 and 2,245.60

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Solution

The fourth proportional to 7,244.38, 10,867.79 and 2,245.60 is: 3,368.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,244.38 : 10,867.79 = 2,245.60 : x
  2. Step 2: Convert to fraction form
    7,244.38/10,867.79 = 2,245.60/x
  3. Step 3: Cross multiply
    7,244.38x = 10,867.79 × 2,245.60
  4. Step 4: Simplify right side
    7,244.38x = 24,404,709.22
  5. Step 5: Solve for x
    x = 24,404,709.22/7,244.38
  6. Step 6: Final answer
    x = 3,368.78

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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.