Home / 4,015.14-5,540-2,246.70

Finding the Fourth Proportional to 4,015.14, 5,540 and 2,246.70

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Solution

The fourth proportional to 4,015.14, 5,540 and 2,246.70 is: 3,099.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,015.14 : 5,540 = 2,246.70 : x
  2. Step 2: Convert to fraction form
    4,015.14/5,540 = 2,246.70/x
  3. Step 3: Cross multiply
    4,015.14x = 5,540 × 2,246.70
  4. Step 4: Simplify right side
    4,015.14x = 12,446,718.00
  5. Step 5: Solve for x
    x = 12,446,718.00/4,015.14
  6. Step 6: Final answer
    x = 3,099.95

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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.