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Finding the Fourth Proportional to 5,910.54, 8,156.36 and 3,258

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Solution

The fourth proportional to 5,910.54, 8,156.36 and 3,258 is: 4,495.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,910.54 : 8,156.36 = 3,258 : x
  2. Step 2: Convert to fraction form
    5,910.54/8,156.36 = 3,258/x
  3. Step 3: Cross multiply
    5,910.54x = 8,156.36 × 3,258
  4. Step 4: Simplify right side
    5,910.54x = 26,573,420.88
  5. Step 5: Solve for x
    x = 26,573,420.88/5,910.54
  6. Step 6: Final answer
    x = 4,495.94

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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.