Home / 2,322.72-3,481.92-2,193.84

Finding the Fourth Proportional to 2,322.72, 3,481.92 and 2,193.84

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Solution

The fourth proportional to 2,322.72, 3,481.92 and 2,193.84 is: 3,288.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,322.72 : 3,481.92 = 2,193.84 : x
  2. Step 2: Convert to fraction form
    2,322.72/3,481.92 = 2,193.84/x
  3. Step 3: Cross multiply
    2,322.72x = 3,481.92 × 2,193.84
  4. Step 4: Simplify right side
    2,322.72x = 7,638,775.37
  5. Step 5: Solve for x
    x = 7,638,775.37/2,322.72
  6. Step 6: Final answer
    x = 3,288.72

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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.