Home / 4,137.21-5,709.33-2,248.78

Finding the Fourth Proportional to 4,137.21, 5,709.33 and 2,248.78

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Solution

The fourth proportional to 4,137.21, 5,709.33 and 2,248.78 is: 3,103.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,137.21 : 5,709.33 = 2,248.78 : x
  2. Step 2: Convert to fraction form
    4,137.21/5,709.33 = 2,248.78/x
  3. Step 3: Cross multiply
    4,137.21x = 5,709.33 × 2,248.78
  4. Step 4: Simplify right side
    4,137.21x = 12,839,027.12
  5. Step 5: Solve for x
    x = 12,839,027.12/4,137.21
  6. Step 6: Final answer
    x = 3,103.31

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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.