Home / 3,276.11-4,520.78-1,949.56

Finding the Fourth Proportional to 3,276.11, 4,520.78 and 1,949.56

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Solution

The fourth proportional to 3,276.11, 4,520.78 and 1,949.56 is: 2,690.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,276.11 : 4,520.78 = 1,949.56 : x
  2. Step 2: Convert to fraction form
    3,276.11/4,520.78 = 1,949.56/x
  3. Step 3: Cross multiply
    3,276.11x = 4,520.78 × 1,949.56
  4. Step 4: Simplify right side
    3,276.11x = 8,813,510.81
  5. Step 5: Solve for x
    x = 8,813,510.81/3,276.11
  6. Step 6: Final answer
    x = 2,690.24

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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.