Home / 7,584.30-11,375.37-2,389.50

Finding the Fourth Proportional to 7,584.30, 11,375.37 and 2,389.50

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Solution

The fourth proportional to 7,584.30, 11,375.37 and 2,389.50 is: 3,583.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,584.30 : 11,375.37 = 2,389.50 : x
  2. Step 2: Convert to fraction form
    7,584.30/11,375.37 = 2,389.50/x
  3. Step 3: Cross multiply
    7,584.30x = 11,375.37 × 2,389.50
  4. Step 4: Simplify right side
    7,584.30x = 27,181,446.62
  5. Step 5: Solve for x
    x = 27,181,446.62/7,584.30
  6. Step 6: Final answer
    x = 3,583.91

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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.