Home / 3,404.44-5,105.58-1,212.58

Finding the Fourth Proportional to 3,404.44, 5,105.58 and 1,212.58

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Solution

The fourth proportional to 3,404.44, 5,105.58 and 1,212.58 is: 1,818.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,404.44 : 5,105.58 = 1,212.58 : x
  2. Step 2: Convert to fraction form
    3,404.44/5,105.58 = 1,212.58/x
  3. Step 3: Cross multiply
    3,404.44x = 5,105.58 × 1,212.58
  4. Step 4: Simplify right side
    3,404.44x = 6,190,924.20
  5. Step 5: Solve for x
    x = 6,190,924.20/3,404.44
  6. Step 6: Final answer
    x = 1,818.49

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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.