Home / 5,087.23-7,629.65-2,867.03

Finding the Fourth Proportional to 5,087.23, 7,629.65 and 2,867.03

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Solution

The fourth proportional to 5,087.23, 7,629.65 and 2,867.03 is: 4,299.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,087.23 : 7,629.65 = 2,867.03 : x
  2. Step 2: Convert to fraction form
    5,087.23/7,629.65 = 2,867.03/x
  3. Step 3: Cross multiply
    5,087.23x = 7,629.65 × 2,867.03
  4. Step 4: Simplify right side
    5,087.23x = 21,874,435.44
  5. Step 5: Solve for x
    x = 21,874,435.44/5,087.23
  6. Step 6: Final answer
    x = 4,299.87

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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.