Home / 3,096.45-4,275.84-2,105.41

Finding the Fourth Proportional to 3,096.45, 4,275.84 and 2,105.41

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Solution

The fourth proportional to 3,096.45, 4,275.84 and 2,105.41 is: 2,907.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,096.45 : 4,275.84 = 2,105.41 : x
  2. Step 2: Convert to fraction form
    3,096.45/4,275.84 = 2,105.41/x
  3. Step 3: Cross multiply
    3,096.45x = 4,275.84 × 2,105.41
  4. Step 4: Simplify right side
    3,096.45x = 9,002,396.29
  5. Step 5: Solve for x
    x = 9,002,396.29/3,096.45
  6. Step 6: Final answer
    x = 2,907.33

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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.