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Finding the Fourth Proportional to 5,703.84, 8,535.60 and 3,940.56

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Solution

The fourth proportional to 5,703.84, 8,535.60 and 3,940.56 is: 5,896.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,703.84 : 8,535.60 = 3,940.56 : x
  2. Step 2: Convert to fraction form
    5,703.84/8,535.60 = 3,940.56/x
  3. Step 3: Cross multiply
    5,703.84x = 8,535.60 × 3,940.56
  4. Step 4: Simplify right side
    5,703.84x = 33,635,043.94
  5. Step 5: Solve for x
    x = 33,635,043.94/5,703.84
  6. Step 6: Final answer
    x = 5,896.91

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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.