Home / 3,519.67-4,857.06-1,947.73

Finding the Fourth Proportional to 3,519.67, 4,857.06 and 1,947.73

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Solution

The fourth proportional to 3,519.67, 4,857.06 and 1,947.73 is: 2,687.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,519.67 : 4,857.06 = 1,947.73 : x
  2. Step 2: Convert to fraction form
    3,519.67/4,857.06 = 1,947.73/x
  3. Step 3: Cross multiply
    3,519.67x = 4,857.06 × 1,947.73
  4. Step 4: Simplify right side
    3,519.67x = 9,460,241.47
  5. Step 5: Solve for x
    x = 9,460,241.47/3,519.67
  6. Step 6: Final answer
    x = 2,687.82

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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.