Home / 2,047.31-3,072.28-2,039.75

Finding the Fourth Proportional to 2,047.31, 3,072.28 and 2,039.75

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Solution

The fourth proportional to 2,047.31, 3,072.28 and 2,039.75 is: 3,060.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,047.31 : 3,072.28 = 2,039.75 : x
  2. Step 2: Convert to fraction form
    2,047.31/3,072.28 = 2,039.75/x
  3. Step 3: Cross multiply
    2,047.31x = 3,072.28 × 2,039.75
  4. Step 4: Simplify right side
    2,047.31x = 6,266,683.13
  5. Step 5: Solve for x
    x = 6,266,683.13/2,047.31
  6. Step 6: Final answer
    x = 3,060.94

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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.