Home / 5,905.72-8,149.64-3,386.04

Finding the Fourth Proportional to 5,905.72, 8,149.64 and 3,386.04

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Solution

The fourth proportional to 5,905.72, 8,149.64 and 3,386.04 is: 4,672.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,905.72 : 8,149.64 = 3,386.04 : x
  2. Step 2: Convert to fraction form
    5,905.72/8,149.64 = 3,386.04/x
  3. Step 3: Cross multiply
    5,905.72x = 8,149.64 × 3,386.04
  4. Step 4: Simplify right side
    5,905.72x = 27,595,007.03
  5. Step 5: Solve for x
    x = 27,595,007.03/5,905.72
  6. Step 6: Final answer
    x = 4,672.59

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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.