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Finding the Fourth Proportional to 5,752.35, 7,939.53 and 3,759.48

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Solution

The fourth proportional to 5,752.35, 7,939.53 and 3,759.48 is: 5,188.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,752.35 : 7,939.53 = 3,759.48 : x
  2. Step 2: Convert to fraction form
    5,752.35/7,939.53 = 3,759.48/x
  3. Step 3: Cross multiply
    5,752.35x = 7,939.53 × 3,759.48
  4. Step 4: Simplify right side
    5,752.35x = 29,848,504.24
  5. Step 5: Solve for x
    x = 29,848,504.24/5,752.35
  6. Step 6: Final answer
    x = 5,188.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.