Home / 2,079.46-3,121.08-1,106.38

Finding the Fourth Proportional to 2,079.46, 3,121.08 and 1,106.38

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Solution

The fourth proportional to 2,079.46, 3,121.08 and 1,106.38 is: 1,660.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079.46 : 3,121.08 = 1,106.38 : x
  2. Step 2: Convert to fraction form
    2,079.46/3,121.08 = 1,106.38/x
  3. Step 3: Cross multiply
    2,079.46x = 3,121.08 × 1,106.38
  4. Step 4: Simplify right side
    2,079.46x = 3,453,100.49
  5. Step 5: Solve for x
    x = 3,453,100.49/2,079.46
  6. Step 6: Final answer
    x = 1,660.58

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