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Finding the Fourth Proportional to 5,871.84, 8,103.52 and 3,354.56

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Solution

The fourth proportional to 5,871.84, 8,103.52 and 3,354.56 is: 4,629.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,871.84 : 8,103.52 = 3,354.56 : x
  2. Step 2: Convert to fraction form
    5,871.84/8,103.52 = 3,354.56/x
  3. Step 3: Cross multiply
    5,871.84x = 8,103.52 × 3,354.56
  4. Step 4: Simplify right side
    5,871.84x = 27,183,744.05
  5. Step 5: Solve for x
    x = 27,183,744.05/5,871.84
  6. Step 6: Final answer
    x = 4,629.51

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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.