Home / 3,745.14-5,617.74-2,454.78

Finding the Fourth Proportional to 3,745.14, 5,617.74 and 2,454.78

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Solution

The fourth proportional to 3,745.14, 5,617.74 and 2,454.78 is: 3,682.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,745.14 : 5,617.74 = 2,454.78 : x
  2. Step 2: Convert to fraction form
    3,745.14/5,617.74 = 2,454.78/x
  3. Step 3: Cross multiply
    3,745.14x = 5,617.74 × 2,454.78
  4. Step 4: Simplify right side
    3,745.14x = 13,790,315.80
  5. Step 5: Solve for x
    x = 13,790,315.80/3,745.14
  6. Step 6: Final answer
    x = 3,682.19

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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.