Home / 2,851.26-3,933.87-1,732.86

Finding the Fourth Proportional to 2,851.26, 3,933.87 and 1,732.86

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Solution

The fourth proportional to 2,851.26, 3,933.87 and 1,732.86 is: 2,390.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,851.26 : 3,933.87 = 1,732.86 : x
  2. Step 2: Convert to fraction form
    2,851.26/3,933.87 = 1,732.86/x
  3. Step 3: Cross multiply
    2,851.26x = 3,933.87 × 1,732.86
  4. Step 4: Simplify right side
    2,851.26x = 6,816,845.97
  5. Step 5: Solve for x
    x = 6,816,845.97/2,851.26
  6. Step 6: Final answer
    x = 2,390.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.