Home / 4,100.08-6,137.40-2,640.56

Finding the Fourth Proportional to 4,100.08, 6,137.40 and 2,640.56

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Solution

The fourth proportional to 4,100.08, 6,137.40 and 2,640.56 is: 3,952.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,100.08 : 6,137.40 = 2,640.56 : x
  2. Step 2: Convert to fraction form
    4,100.08/6,137.40 = 2,640.56/x
  3. Step 3: Cross multiply
    4,100.08x = 6,137.40 × 2,640.56
  4. Step 4: Simplify right side
    4,100.08x = 16,206,172.94
  5. Step 5: Solve for x
    x = 16,206,172.94/4,100.08
  6. Step 6: Final answer
    x = 3,952.65

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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.