Home / 2,745.75-4,109.05-2,246.38

Finding the Fourth Proportional to 2,745.75, 4,109.05 and 2,246.38

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Solution

The fourth proportional to 2,745.75, 4,109.05 and 2,246.38 is: 3,361.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,745.75 : 4,109.05 = 2,246.38 : x
  2. Step 2: Convert to fraction form
    2,745.75/4,109.05 = 2,246.38/x
  3. Step 3: Cross multiply
    2,745.75x = 4,109.05 × 2,246.38
  4. Step 4: Simplify right side
    2,745.75x = 9,230,476.51
  5. Step 5: Solve for x
    x = 9,230,476.51/2,745.75
  6. Step 6: Final answer
    x = 3,361.74

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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.