Home / 7,392.30-11,091.91-3,231.77

Finding the Fourth Proportional to 7,392.30, 11,091.91 and 3,231.77

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Solution

The fourth proportional to 7,392.30, 11,091.91 and 3,231.77 is: 4,849.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,392.30 : 11,091.91 = 3,231.77 : x
  2. Step 2: Convert to fraction form
    7,392.30/11,091.91 = 3,231.77/x
  3. Step 3: Cross multiply
    7,392.30x = 11,091.91 × 3,231.77
  4. Step 4: Simplify right side
    7,392.30x = 35,846,501.98
  5. Step 5: Solve for x
    x = 35,846,501.98/7,392.30
  6. Step 6: Final answer
    x = 4,849.17

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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.