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Finding the Fourth Proportional to 5,889.78, 8,127.54 and 3,236.64

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Solution

The fourth proportional to 5,889.78, 8,127.54 and 3,236.64 is: 4,466.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,889.78 : 8,127.54 = 3,236.64 : x
  2. Step 2: Convert to fraction form
    5,889.78/8,127.54 = 3,236.64/x
  3. Step 3: Cross multiply
    5,889.78x = 8,127.54 × 3,236.64
  4. Step 4: Simplify right side
    5,889.78x = 26,305,921.07
  5. Step 5: Solve for x
    x = 26,305,921.07/5,889.78
  6. Step 6: Final answer
    x = 4,466.37

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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.