Home / 3,472.09-4,789.94-2,212.47

Finding the Fourth Proportional to 3,472.09, 4,789.94 and 2,212.47

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Solution

The fourth proportional to 3,472.09, 4,789.94 and 2,212.47 is: 3,052.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,472.09 : 4,789.94 = 2,212.47 : x
  2. Step 2: Convert to fraction form
    3,472.09/4,789.94 = 2,212.47/x
  3. Step 3: Cross multiply
    3,472.09x = 4,789.94 × 2,212.47
  4. Step 4: Simplify right side
    3,472.09x = 10,597,598.55
  5. Step 5: Solve for x
    x = 10,597,598.55/3,472.09
  6. Step 6: Final answer
    x = 3,052.22

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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.