Home / 3,467.64-5,198.58-1,617.78

Finding the Fourth Proportional to 3,467.64, 5,198.58 and 1,617.78

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Solution

The fourth proportional to 3,467.64, 5,198.58 and 1,617.78 is: 2,425.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,467.64 : 5,198.58 = 1,617.78 : x
  2. Step 2: Convert to fraction form
    3,467.64/5,198.58 = 1,617.78/x
  3. Step 3: Cross multiply
    3,467.64x = 5,198.58 × 1,617.78
  4. Step 4: Simplify right side
    3,467.64x = 8,410,158.75
  5. Step 5: Solve for x
    x = 8,410,158.75/3,467.64
  6. Step 6: Final answer
    x = 2,425.33

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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.