Home / 7,954.83-11,922.45-3,271.92

Finding the Fourth Proportional to 7,954.83, 11,922.45 and 3,271.92

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Solution

The fourth proportional to 7,954.83, 11,922.45 and 3,271.92 is: 4,903.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,954.83 : 11,922.45 = 3,271.92 : x
  2. Step 2: Convert to fraction form
    7,954.83/11,922.45 = 3,271.92/x
  3. Step 3: Cross multiply
    7,954.83x = 11,922.45 × 3,271.92
  4. Step 4: Simplify right side
    7,954.83x = 39,009,286.38
  5. Step 5: Solve for x
    x = 39,009,286.38/7,954.83
  6. Step 6: Final answer
    x = 4,903.85

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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.