Home / 3,227.25-4,453.58-1,830

Finding the Fourth Proportional to 3,227.25, 4,453.58 and 1,830

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Solution

The fourth proportional to 3,227.25, 4,453.58 and 1,830 is: 2,525.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,227.25 : 4,453.58 = 1,830 : x
  2. Step 2: Convert to fraction form
    3,227.25/4,453.58 = 1,830/x
  3. Step 3: Cross multiply
    3,227.25x = 4,453.58 × 1,830
  4. Step 4: Simplify right side
    3,227.25x = 8,150,042.25
  5. Step 5: Solve for x
    x = 8,150,042.25/3,227.25
  6. Step 6: Final answer
    x = 2,525.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.