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Finding the Fourth Proportional to 3,952.41, 5,928.83 and 1,487.58

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Solution

The fourth proportional to 3,952.41, 5,928.83 and 1,487.58 is: 2,231.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,952.41 : 5,928.83 = 1,487.58 : x
  2. Step 2: Convert to fraction form
    3,952.41/5,928.83 = 1,487.58/x
  3. Step 3: Cross multiply
    3,952.41x = 5,928.83 × 1,487.58
  4. Step 4: Simplify right side
    3,952.41x = 8,819,601.49
  5. Step 5: Solve for x
    x = 8,819,601.49/3,952.41
  6. Step 6: Final answer
    x = 2,231.45

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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.