Home / 7,744.32-11,601-3,578.58

Finding the Fourth Proportional to 7,744.32, 11,601 and 3,578.58

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Solution

The fourth proportional to 7,744.32, 11,601 and 3,578.58 is: 5,360.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,744.32 : 11,601 = 3,578.58 : x
  2. Step 2: Convert to fraction form
    7,744.32/11,601 = 3,578.58/x
  3. Step 3: Cross multiply
    7,744.32x = 11,601 × 3,578.58
  4. Step 4: Simplify right side
    7,744.32x = 41,515,106.58
  5. Step 5: Solve for x
    x = 41,515,106.58/7,744.32
  6. Step 6: Final answer
    x = 5,360.72

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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.