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Finding the Fourth Proportional to 5,786.29, 8,671.74 and 3,153.79

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Solution

The fourth proportional to 5,786.29, 8,671.74 and 3,153.79 is: 4,726.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,786.29 : 8,671.74 = 3,153.79 : x
  2. Step 2: Convert to fraction form
    5,786.29/8,671.74 = 3,153.79/x
  3. Step 3: Cross multiply
    5,786.29x = 8,671.74 × 3,153.79
  4. Step 4: Simplify right side
    5,786.29x = 27,348,846.89
  5. Step 5: Solve for x
    x = 27,348,846.89/5,786.29
  6. Step 6: Final answer
    x = 4,726.49

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1.5x scale

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.