Home / 3,993.59-5,510.94-2,225.36

Finding the Fourth Proportional to 3,993.59, 5,510.94 and 2,225.36

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Solution

The fourth proportional to 3,993.59, 5,510.94 and 2,225.36 is: 3,070.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,993.59 : 5,510.94 = 2,225.36 : x
  2. Step 2: Convert to fraction form
    3,993.59/5,510.94 = 2,225.36/x
  3. Step 3: Cross multiply
    3,993.59x = 5,510.94 × 2,225.36
  4. Step 4: Simplify right side
    3,993.59x = 12,263,797.88
  5. Step 5: Solve for x
    x = 12,263,797.88/3,993.59
  6. Step 6: Final answer
    x = 3,070.87

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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.