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Finding the Fourth Proportional to 5,859.84, 8,086.82 and 3,207.48

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Solution

The fourth proportional to 5,859.84, 8,086.82 and 3,207.48 is: 4,426.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,859.84 : 8,086.82 = 3,207.48 : x
  2. Step 2: Convert to fraction form
    5,859.84/8,086.82 = 3,207.48/x
  3. Step 3: Cross multiply
    5,859.84x = 8,086.82 × 3,207.48
  4. Step 4: Simplify right side
    5,859.84x = 25,938,313.41
  5. Step 5: Solve for x
    x = 25,938,313.41/5,859.84
  6. Step 6: Final answer
    x = 4,426.45

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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.