Home / 3,512.69-5,268.45-1,172.48

Finding the Fourth Proportional to 3,512.69, 5,268.45 and 1,172.48

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Solution

The fourth proportional to 3,512.69, 5,268.45 and 1,172.48 is: 1,758.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,512.69 : 5,268.45 = 1,172.48 : x
  2. Step 2: Convert to fraction form
    3,512.69/5,268.45 = 1,172.48/x
  3. Step 3: Cross multiply
    3,512.69x = 5,268.45 × 1,172.48
  4. Step 4: Simplify right side
    3,512.69x = 6,177,152.26
  5. Step 5: Solve for x
    x = 6,177,152.26/3,512.69
  6. Step 6: Final answer
    x = 1,758.52

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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.