Home / 4,140.19-5,713.50-2,251.81

Finding the Fourth Proportional to 4,140.19, 5,713.50 and 2,251.81

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Solution

The fourth proportional to 4,140.19, 5,713.50 and 2,251.81 is: 3,107.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,140.19 : 5,713.50 = 2,251.81 : x
  2. Step 2: Convert to fraction form
    4,140.19/5,713.50 = 2,251.81/x
  3. Step 3: Cross multiply
    4,140.19x = 5,713.50 × 2,251.81
  4. Step 4: Simplify right side
    4,140.19x = 12,865,716.44
  5. Step 5: Solve for x
    x = 12,865,716.44/4,140.19
  6. Step 6: Final answer
    x = 3,107.52

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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.