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Finding the Fourth Proportional to 5,931.99, 8,186.01 and 3,380.22

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Solution

The fourth proportional to 5,931.99, 8,186.01 and 3,380.22 is: 4,664.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,931.99 : 8,186.01 = 3,380.22 : x
  2. Step 2: Convert to fraction form
    5,931.99/8,186.01 = 3,380.22/x
  3. Step 3: Cross multiply
    5,931.99x = 8,186.01 × 3,380.22
  4. Step 4: Simplify right side
    5,931.99x = 27,670,514.72
  5. Step 5: Solve for x
    x = 27,670,514.72/5,931.99
  6. Step 6: Final answer
    x = 4,664.63

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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.