Home / 3,172.51-4,757.54-1,092.12

Finding the Fourth Proportional to 3,172.51, 4,757.54 and 1,092.12

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Solution

The fourth proportional to 3,172.51, 4,757.54 and 1,092.12 is: 1,637.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172.51 : 4,757.54 = 1,092.12 : x
  2. Step 2: Convert to fraction form
    3,172.51/4,757.54 = 1,092.12/x
  3. Step 3: Cross multiply
    3,172.51x = 4,757.54 × 1,092.12
  4. Step 4: Simplify right side
    3,172.51x = 5,195,804.58
  5. Step 5: Solve for x
    x = 5,195,804.58/3,172.51
  6. Step 6: Final answer
    x = 1,637.76

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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.