Home / 5,918.82-8,875.92-2,219.04

Finding the Fourth Proportional to 5,918.82, 8,875.92 and 2,219.04

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Solution

The fourth proportional to 5,918.82, 8,875.92 and 2,219.04 is: 3,327.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,918.82 : 8,875.92 = 2,219.04 : x
  2. Step 2: Convert to fraction form
    5,918.82/8,875.92 = 2,219.04/x
  3. Step 3: Cross multiply
    5,918.82x = 8,875.92 × 2,219.04
  4. Step 4: Simplify right side
    5,918.82x = 19,695,979.91
  5. Step 5: Solve for x
    x = 19,695,979.91/5,918.82
  6. Step 6: Final answer
    x = 3,327.68

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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.