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Finding the Fourth Proportional to 3,925.84, 5,893.08 and 3,521.92

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Solution

The fourth proportional to 3,925.84, 5,893.08 and 3,521.92 is: 5,286.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,925.84 : 5,893.08 = 3,521.92 : x
  2. Step 2: Convert to fraction form
    3,925.84/5,893.08 = 3,521.92/x
  3. Step 3: Cross multiply
    3,925.84x = 5,893.08 × 3,521.92
  4. Step 4: Simplify right side
    3,925.84x = 20,754,956.31
  5. Step 5: Solve for x
    x = 20,754,956.31/3,925.84
  6. Step 6: Final answer
    x = 5,286.76

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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.