Home / 7,934.58-11,900.92-2,091.64

Finding the Fourth Proportional to 7,934.58, 11,900.92 and 2,091.64

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Solution

The fourth proportional to 7,934.58, 11,900.92 and 2,091.64 is: 3,137.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,934.58 : 11,900.92 = 2,091.64 : x
  2. Step 2: Convert to fraction form
    7,934.58/11,900.92 = 2,091.64/x
  3. Step 3: Cross multiply
    7,934.58x = 11,900.92 × 2,091.64
  4. Step 4: Simplify right side
    7,934.58x = 24,892,440.31
  5. Step 5: Solve for x
    x = 24,892,440.31/7,934.58
  6. Step 6: Final answer
    x = 3,137.21

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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.