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Finding the Fourth Proportional to 3,230.94, 4,845.96 and 1,039.41

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Solution

The fourth proportional to 3,230.94, 4,845.96 and 1,039.41 is: 1,558.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,230.94 : 4,845.96 = 1,039.41 : x
  2. Step 2: Convert to fraction form
    3,230.94/4,845.96 = 1,039.41/x
  3. Step 3: Cross multiply
    3,230.94x = 4,845.96 × 1,039.41
  4. Step 4: Simplify right side
    3,230.94x = 5,036,939.28
  5. Step 5: Solve for x
    x = 5,036,939.28/3,230.94
  6. Step 6: Final answer
    x = 1,558.97

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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.