Home / 7,821.18-11,732.54-2,273.02

Finding the Fourth Proportional to 7,821.18, 11,732.54 and 2,273.02

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Solution

The fourth proportional to 7,821.18, 11,732.54 and 2,273.02 is: 3,409.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,821.18 : 11,732.54 = 2,273.02 : x
  2. Step 2: Convert to fraction form
    7,821.18/11,732.54 = 2,273.02/x
  3. Step 3: Cross multiply
    7,821.18x = 11,732.54 × 2,273.02
  4. Step 4: Simplify right side
    7,821.18x = 26,668,257.37
  5. Step 5: Solve for x
    x = 26,668,257.37/7,821.18
  6. Step 6: Final answer
    x = 3,409.75

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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.