Home / 5,929.75-8,183.78-3,445.75

Finding the Fourth Proportional to 5,929.75, 8,183.78 and 3,445.75

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Solution

The fourth proportional to 5,929.75, 8,183.78 and 3,445.75 is: 4,755.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,929.75 : 8,183.78 = 3,445.75 : x
  2. Step 2: Convert to fraction form
    5,929.75/8,183.78 = 3,445.75/x
  3. Step 3: Cross multiply
    5,929.75x = 8,183.78 × 3,445.75
  4. Step 4: Simplify right side
    5,929.75x = 28,199,259.94
  5. Step 5: Solve for x
    x = 28,199,259.94/5,929.75
  6. Step 6: Final answer
    x = 4,755.56

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1.5x scale

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.