Home / 4,243.24-5,855.46-2,380.84

Finding the Fourth Proportional to 4,243.24, 5,855.46 and 2,380.84

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Solution

The fourth proportional to 4,243.24, 5,855.46 and 2,380.84 is: 3,285.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,243.24 : 5,855.46 = 2,380.84 : x
  2. Step 2: Convert to fraction form
    4,243.24/5,855.46 = 2,380.84/x
  3. Step 3: Cross multiply
    4,243.24x = 5,855.46 × 2,380.84
  4. Step 4: Simplify right side
    4,243.24x = 13,940,913.39
  5. Step 5: Solve for x
    x = 13,940,913.39/4,243.24
  6. Step 6: Final answer
    x = 3,285.44

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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.