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Finding the Fourth Proportional to 5,751.32, 7,936.92 and 3,393.54

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Solution

The fourth proportional to 5,751.32, 7,936.92 and 3,393.54 is: 4,683.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,751.32 : 7,936.92 = 3,393.54 : x
  2. Step 2: Convert to fraction form
    5,751.32/7,936.92 = 3,393.54/x
  3. Step 3: Cross multiply
    5,751.32x = 7,936.92 × 3,393.54
  4. Step 4: Simplify right side
    5,751.32x = 26,934,255.50
  5. Step 5: Solve for x
    x = 26,934,255.50/5,751.32
  6. Step 6: Final answer
    x = 4,683.15

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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.