Home / 5,979.57-8,971.85-3,205.53

Finding the Fourth Proportional to 5,979.57, 8,971.85 and 3,205.53

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Solution

The fourth proportional to 5,979.57, 8,971.85 and 3,205.53 is: 4,809.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,979.57 : 8,971.85 = 3,205.53 : x
  2. Step 2: Convert to fraction form
    5,979.57/8,971.85 = 3,205.53/x
  3. Step 3: Cross multiply
    5,979.57x = 8,971.85 × 3,205.53
  4. Step 4: Simplify right side
    5,979.57x = 28,759,534.33
  5. Step 5: Solve for x
    x = 28,759,534.33/5,979.57
  6. Step 6: Final answer
    x = 4,809.63

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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.