Home / 2,449.14-3,653.03-2,079.78

Finding the Fourth Proportional to 2,449.14, 3,653.03 and 2,079.78

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Solution

The fourth proportional to 2,449.14, 3,653.03 and 2,079.78 is: 3,102.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,449.14 : 3,653.03 = 2,079.78 : x
  2. Step 2: Convert to fraction form
    2,449.14/3,653.03 = 2,079.78/x
  3. Step 3: Cross multiply
    2,449.14x = 3,653.03 × 2,079.78
  4. Step 4: Simplify right side
    2,449.14x = 7,597,498.73
  5. Step 5: Solve for x
    x = 7,597,498.73/2,449.14
  6. Step 6: Final answer
    x = 3,102.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.