Home / 3,117.97-4,303.02-1,791.73

Finding the Fourth Proportional to 3,117.97, 4,303.02 and 1,791.73

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Solution

The fourth proportional to 3,117.97, 4,303.02 and 1,791.73 is: 2,472.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117.97 : 4,303.02 = 1,791.73 : x
  2. Step 2: Convert to fraction form
    3,117.97/4,303.02 = 1,791.73/x
  3. Step 3: Cross multiply
    3,117.97x = 4,303.02 × 1,791.73
  4. Step 4: Simplify right side
    3,117.97x = 7,709,850.02
  5. Step 5: Solve for x
    x = 7,709,850.02/3,117.97
  6. Step 6: Final answer
    x = 2,472.71

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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.