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Finding the Fourth Proportional to 3,361.10, 5,040.36 and 1,020.41

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Solution

The fourth proportional to 3,361.10, 5,040.36 and 1,020.41 is: 1,530.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,361.10 : 5,040.36 = 1,020.41 : x
  2. Step 2: Convert to fraction form
    3,361.10/5,040.36 = 1,020.41/x
  3. Step 3: Cross multiply
    3,361.10x = 5,040.36 × 1,020.41
  4. Step 4: Simplify right side
    3,361.10x = 5,143,208.55
  5. Step 5: Solve for x
    x = 5,143,208.55/3,361.10
  6. Step 6: Final answer
    x = 1,530.22

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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.