Home / 7,933.25-11,900.03-3,005.21

Finding the Fourth Proportional to 7,933.25, 11,900.03 and 3,005.21

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Solution

The fourth proportional to 7,933.25, 11,900.03 and 3,005.21 is: 4,507.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,933.25 : 11,900.03 = 3,005.21 : x
  2. Step 2: Convert to fraction form
    7,933.25/11,900.03 = 3,005.21/x
  3. Step 3: Cross multiply
    7,933.25x = 11,900.03 × 3,005.21
  4. Step 4: Simplify right side
    7,933.25x = 35,762,103.88
  5. Step 5: Solve for x
    x = 35,762,103.88/7,933.25
  6. Step 6: Final answer
    x = 4,507.87

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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.