Home / 3,107.41-4,286.27-1,847.56

Finding the Fourth Proportional to 3,107.41, 4,286.27 and 1,847.56

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Solution

The fourth proportional to 3,107.41, 4,286.27 and 1,847.56 is: 2,548.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,107.41 : 4,286.27 = 1,847.56 : x
  2. Step 2: Convert to fraction form
    3,107.41/4,286.27 = 1,847.56/x
  3. Step 3: Cross multiply
    3,107.41x = 4,286.27 × 1,847.56
  4. Step 4: Simplify right side
    3,107.41x = 7,919,132.55
  5. Step 5: Solve for x
    x = 7,919,132.55/3,107.41
  6. Step 6: Final answer
    x = 2,548.46

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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.