Home / 2,617.26-3,919.41-1,922.28

Finding the Fourth Proportional to 2,617.26, 3,919.41 and 1,922.28

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Solution

The fourth proportional to 2,617.26, 3,919.41 and 1,922.28 is: 2,878.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,617.26 : 3,919.41 = 1,922.28 : x
  2. Step 2: Convert to fraction form
    2,617.26/3,919.41 = 1,922.28/x
  3. Step 3: Cross multiply
    2,617.26x = 3,919.41 × 1,922.28
  4. Step 4: Simplify right side
    2,617.26x = 7,534,203.45
  5. Step 5: Solve for x
    x = 7,534,203.45/2,617.26
  6. Step 6: Final answer
    x = 2,878.66

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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.