Home / 7,712.87-11,567.48-3,550.28

Finding the Fourth Proportional to 7,712.87, 11,567.48 and 3,550.28

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Solution

The fourth proportional to 7,712.87, 11,567.48 and 3,550.28 is: 5,324.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,712.87 : 11,567.48 = 3,550.28 : x
  2. Step 2: Convert to fraction form
    7,712.87/11,567.48 = 3,550.28/x
  3. Step 3: Cross multiply
    7,712.87x = 11,567.48 × 3,550.28
  4. Step 4: Simplify right side
    7,712.87x = 41,067,717.31
  5. Step 5: Solve for x
    x = 41,067,717.31/7,712.87
  6. Step 6: Final answer
    x = 5,324.57

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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.