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Finding the Fourth Proportional to 3,941.52, 5,912.38 and 1,019.82

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Solution

The fourth proportional to 3,941.52, 5,912.38 and 1,019.82 is: 1,529.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,941.52 : 5,912.38 = 1,019.82 : x
  2. Step 2: Convert to fraction form
    3,941.52/5,912.38 = 1,019.82/x
  3. Step 3: Cross multiply
    3,941.52x = 5,912.38 × 1,019.82
  4. Step 4: Simplify right side
    3,941.52x = 6,029,533.81
  5. Step 5: Solve for x
    x = 6,029,533.81/3,941.52
  6. Step 6: Final answer
    x = 1,529.75

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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.