Home / 5,175.23-7,764.66-2,709.99

Finding the Fourth Proportional to 5,175.23, 7,764.66 and 2,709.99

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Solution

The fourth proportional to 5,175.23, 7,764.66 and 2,709.99 is: 4,065.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,175.23 : 7,764.66 = 2,709.99 : x
  2. Step 2: Convert to fraction form
    5,175.23/7,764.66 = 2,709.99/x
  3. Step 3: Cross multiply
    5,175.23x = 7,764.66 × 2,709.99
  4. Step 4: Simplify right side
    5,175.23x = 21,042,150.95
  5. Step 5: Solve for x
    x = 21,042,150.95/5,175.23
  6. Step 6: Final answer
    x = 4,065.94

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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.