Home / 7,581.91-11,379.25-3,202.51

Finding the Fourth Proportional to 7,581.91, 11,379.25 and 3,202.51

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Solution

The fourth proportional to 7,581.91, 11,379.25 and 3,202.51 is: 4,806.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,581.91 : 11,379.25 = 3,202.51 : x
  2. Step 2: Convert to fraction form
    7,581.91/11,379.25 = 3,202.51/x
  3. Step 3: Cross multiply
    7,581.91x = 11,379.25 × 3,202.51
  4. Step 4: Simplify right side
    7,581.91x = 36,442,097.01
  5. Step 5: Solve for x
    x = 36,442,097.01/7,581.91
  6. Step 6: Final answer
    x = 4,806.46

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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.