Home / 5,918.48-8,875.41-2,218.69

Finding the Fourth Proportional to 5,918.48, 8,875.41 and 2,218.69

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Solution

The fourth proportional to 5,918.48, 8,875.41 and 2,218.69 is: 3,327.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,918.48 : 8,875.41 = 2,218.69 : x
  2. Step 2: Convert to fraction form
    5,918.48/8,875.41 = 2,218.69/x
  3. Step 3: Cross multiply
    5,918.48x = 8,875.41 × 2,218.69
  4. Step 4: Simplify right side
    5,918.48x = 19,691,757.06
  5. Step 5: Solve for x
    x = 19,691,757.06/5,918.48
  6. Step 6: Final answer
    x = 3,327.17

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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.