Home / 4,745.12-7,118.78-3,361.10

Finding the Fourth Proportional to 4,745.12, 7,118.78 and 3,361.10

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Solution

The fourth proportional to 4,745.12, 7,118.78 and 3,361.10 is: 5,042.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,745.12 : 7,118.78 = 3,361.10 : x
  2. Step 2: Convert to fraction form
    4,745.12/7,118.78 = 3,361.10/x
  3. Step 3: Cross multiply
    4,745.12x = 7,118.78 × 3,361.10
  4. Step 4: Simplify right side
    4,745.12x = 23,926,879.06
  5. Step 5: Solve for x
    x = 23,926,879.06/4,745.12
  6. Step 6: Final answer
    x = 5,042.42

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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.