Home / 5,791.29-8,681.05-2,278.99

Finding the Fourth Proportional to 5,791.29, 8,681.05 and 2,278.99

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Solution

The fourth proportional to 5,791.29, 8,681.05 and 2,278.99 is: 3,416.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,791.29 : 8,681.05 = 2,278.99 : x
  2. Step 2: Convert to fraction form
    5,791.29/8,681.05 = 2,278.99/x
  3. Step 3: Cross multiply
    5,791.29x = 8,681.05 × 2,278.99
  4. Step 4: Simplify right side
    5,791.29x = 19,784,026.14
  5. Step 5: Solve for x
    x = 19,784,026.14/5,791.29
  6. Step 6: Final answer
    x = 3,416.17

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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.