Home / 5,913.78-8,161.27-3,261.36

Finding the Fourth Proportional to 5,913.78, 8,161.27 and 3,261.36

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Solution

The fourth proportional to 5,913.78, 8,161.27 and 3,261.36 is: 4,500.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,913.78 : 8,161.27 = 3,261.36 : x
  2. Step 2: Convert to fraction form
    5,913.78/8,161.27 = 3,261.36/x
  3. Step 3: Cross multiply
    5,913.78x = 8,161.27 × 3,261.36
  4. Step 4: Simplify right side
    5,913.78x = 26,616,866.56
  5. Step 5: Solve for x
    x = 26,616,866.56/5,913.78
  6. Step 6: Final answer
    x = 4,500.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.