Home / 2,544.28-3,815.73-2,133.61

Finding the Fourth Proportional to 2,544.28, 3,815.73 and 2,133.61

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Solution

The fourth proportional to 2,544.28, 3,815.73 and 2,133.61 is: 3,199.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,544.28 : 3,815.73 = 2,133.61 : x
  2. Step 2: Convert to fraction form
    2,544.28/3,815.73 = 2,133.61/x
  3. Step 3: Cross multiply
    2,544.28x = 3,815.73 × 2,133.61
  4. Step 4: Simplify right side
    2,544.28x = 8,141,279.69
  5. Step 5: Solve for x
    x = 8,141,279.69/2,544.28
  6. Step 6: Final answer
    x = 3,199.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.