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Finding the Fourth Proportional to 5,753.70, 7,935.37 and 3,393.56

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Solution

The fourth proportional to 5,753.70, 7,935.37 and 3,393.56 is: 4,680.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,753.70 : 7,935.37 = 3,393.56 : x
  2. Step 2: Convert to fraction form
    5,753.70/7,935.37 = 3,393.56/x
  3. Step 3: Cross multiply
    5,753.70x = 7,935.37 × 3,393.56
  4. Step 4: Simplify right side
    5,753.70x = 26,929,165.57
  5. Step 5: Solve for x
    x = 26,929,165.57/5,753.70
  6. Step 6: Final answer
    x = 4,680.32

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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.