Home / 2,998.23-4,489.65-2,072.51

Finding the Fourth Proportional to 2,998.23, 4,489.65 and 2,072.51

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Solution

The fourth proportional to 2,998.23, 4,489.65 and 2,072.51 is: 3,103.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,998.23 : 4,489.65 = 2,072.51 : x
  2. Step 2: Convert to fraction form
    2,998.23/4,489.65 = 2,072.51/x
  3. Step 3: Cross multiply
    2,998.23x = 4,489.65 × 2,072.51
  4. Step 4: Simplify right side
    2,998.23x = 9,304,855.75
  5. Step 5: Solve for x
    x = 9,304,855.75/2,998.23
  6. Step 6: Final answer
    x = 3,103.45

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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.