Home / 5,919.61-8,876.36-1,969.44

Finding the Fourth Proportional to 5,919.61, 8,876.36 and 1,969.44

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Solution

The fourth proportional to 5,919.61, 8,876.36 and 1,969.44 is: 2,953.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,919.61 : 8,876.36 = 1,969.44 : x
  2. Step 2: Convert to fraction form
    5,919.61/8,876.36 = 1,969.44/x
  3. Step 3: Cross multiply
    5,919.61x = 8,876.36 × 1,969.44
  4. Step 4: Simplify right side
    5,919.61x = 17,481,414.06
  5. Step 5: Solve for x
    x = 17,481,414.06/5,919.61
  6. Step 6: Final answer
    x = 2,953.14

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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.