Home / 3,571.10-4,930.55-2,227.23

Finding the Fourth Proportional to 3,571.10, 4,930.55 and 2,227.23

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Solution

The fourth proportional to 3,571.10, 4,930.55 and 2,227.23 is: 3,075.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,571.10 : 4,930.55 = 2,227.23 : x
  2. Step 2: Convert to fraction form
    3,571.10/4,930.55 = 2,227.23/x
  3. Step 3: Cross multiply
    3,571.10x = 4,930.55 × 2,227.23
  4. Step 4: Simplify right side
    3,571.10x = 10,981,468.88
  5. Step 5: Solve for x
    x = 10,981,468.88/3,571.10
  6. Step 6: Final answer
    x = 3,075.10

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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.