Home / 2,919.58-4,028.94-1,593.30

Finding the Fourth Proportional to 2,919.58, 4,028.94 and 1,593.30

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Solution

The fourth proportional to 2,919.58, 4,028.94 and 1,593.30 is: 2,198.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,919.58 : 4,028.94 = 1,593.30 : x
  2. Step 2: Convert to fraction form
    2,919.58/4,028.94 = 1,593.30/x
  3. Step 3: Cross multiply
    2,919.58x = 4,028.94 × 1,593.30
  4. Step 4: Simplify right side
    2,919.58x = 6,419,325.21
  5. Step 5: Solve for x
    x = 6,419,325.21/2,919.58
  6. Step 6: Final answer
    x = 2,198.72

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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.