Home / 2,034.13-3,047.23-1,338.70

Finding the Fourth Proportional to 2,034.13, 3,047.23 and 1,338.70

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Solution

The fourth proportional to 2,034.13, 3,047.23 and 1,338.70 is: 2,005.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,034.13 : 3,047.23 = 1,338.70 : x
  2. Step 2: Convert to fraction form
    2,034.13/3,047.23 = 1,338.70/x
  3. Step 3: Cross multiply
    2,034.13x = 3,047.23 × 1,338.70
  4. Step 4: Simplify right side
    2,034.13x = 4,079,326.80
  5. Step 5: Solve for x
    x = 4,079,326.80/2,034.13
  6. Step 6: Final answer
    x = 2,005.44

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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.