Home / 2,049.30-3,070.71-1,318.28

Finding the Fourth Proportional to 2,049.30, 3,070.71 and 1,318.28

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Solution

The fourth proportional to 2,049.30, 3,070.71 and 1,318.28 is: 1,975.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,049.30 : 3,070.71 = 1,318.28 : x
  2. Step 2: Convert to fraction form
    2,049.30/3,070.71 = 1,318.28/x
  3. Step 3: Cross multiply
    2,049.30x = 3,070.71 × 1,318.28
  4. Step 4: Simplify right side
    2,049.30x = 4,048,040.23
  5. Step 5: Solve for x
    x = 4,048,040.23/2,049.30
  6. Step 6: Final answer
    x = 1,975.33

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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.