Home / 7,586.28-11,379.83-2,391.75

Finding the Fourth Proportional to 7,586.28, 11,379.83 and 2,391.75

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Solution

The fourth proportional to 7,586.28, 11,379.83 and 2,391.75 is: 3,587.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,586.28 : 11,379.83 = 2,391.75 : x
  2. Step 2: Convert to fraction form
    7,586.28/11,379.83 = 2,391.75/x
  3. Step 3: Cross multiply
    7,586.28x = 11,379.83 × 2,391.75
  4. Step 4: Simplify right side
    7,586.28x = 27,217,696.44
  5. Step 5: Solve for x
    x = 27,217,696.44/7,586.28
  6. Step 6: Final answer
    x = 3,587.75

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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.