Home / 5,872.99-8,104.43-3,320.68

Finding the Fourth Proportional to 5,872.99, 8,104.43 and 3,320.68

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Solution

The fourth proportional to 5,872.99, 8,104.43 and 3,320.68 is: 4,582.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,872.99 : 8,104.43 = 3,320.68 : x
  2. Step 2: Convert to fraction form
    5,872.99/8,104.43 = 3,320.68/x
  3. Step 3: Cross multiply
    5,872.99x = 8,104.43 × 3,320.68
  4. Step 4: Simplify right side
    5,872.99x = 26,912,190.05
  5. Step 5: Solve for x
    x = 26,912,190.05/5,872.99
  6. Step 6: Final answer
    x = 4,582.37

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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.