Home / 3,448.03-5,172.42-1,107.49

Finding the Fourth Proportional to 3,448.03, 5,172.42 and 1,107.49

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Solution

The fourth proportional to 3,448.03, 5,172.42 and 1,107.49 is: 1,661.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,448.03 : 5,172.42 = 1,107.49 : x
  2. Step 2: Convert to fraction form
    3,448.03/5,172.42 = 1,107.49/x
  3. Step 3: Cross multiply
    3,448.03x = 5,172.42 × 1,107.49
  4. Step 4: Simplify right side
    3,448.03x = 5,728,403.43
  5. Step 5: Solve for x
    x = 5,728,403.43/3,448.03
  6. Step 6: Final answer
    x = 1,661.36

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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.