Home / 7,882.90-11,823.39-2,039.02

Finding the Fourth Proportional to 7,882.90, 11,823.39 and 2,039.02

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Solution

The fourth proportional to 7,882.90, 11,823.39 and 2,039.02 is: 3,058.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,882.90 : 11,823.39 = 2,039.02 : x
  2. Step 2: Convert to fraction form
    7,882.90/11,823.39 = 2,039.02/x
  3. Step 3: Cross multiply
    7,882.90x = 11,823.39 × 2,039.02
  4. Step 4: Simplify right side
    7,882.90x = 24,108,128.68
  5. Step 5: Solve for x
    x = 24,108,128.68/7,882.90
  6. Step 6: Final answer
    x = 3,058.28

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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.