Home / 2,795.26-4,192.86-2,138.31

Finding the Fourth Proportional to 2,795.26, 4,192.86 and 2,138.31

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Solution

The fourth proportional to 2,795.26, 4,192.86 and 2,138.31 is: 3,207.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,795.26 : 4,192.86 = 2,138.31 : x
  2. Step 2: Convert to fraction form
    2,795.26/4,192.86 = 2,138.31/x
  3. Step 3: Cross multiply
    2,795.26x = 4,192.86 × 2,138.31
  4. Step 4: Simplify right side
    2,795.26x = 8,965,634.47
  5. Step 5: Solve for x
    x = 8,965,634.47/2,795.26
  6. Step 6: Final answer
    x = 3,207.44

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1.5x scale

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.