Home / 2,168.88-3,255.39-1,576.36

Finding the Fourth Proportional to 2,168.88, 3,255.39 and 1,576.36

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Solution

The fourth proportional to 2,168.88, 3,255.39 and 1,576.36 is: 2,366.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,168.88 : 3,255.39 = 1,576.36 : x
  2. Step 2: Convert to fraction form
    2,168.88/3,255.39 = 1,576.36/x
  3. Step 3: Cross multiply
    2,168.88x = 3,255.39 × 1,576.36
  4. Step 4: Simplify right side
    2,168.88x = 5,131,670.65
  5. Step 5: Solve for x
    x = 5,131,670.65/2,168.88
  6. Step 6: Final answer
    x = 2,366.05

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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.