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Finding the Fourth Proportional to 3,951.30, 5,927.56 and 1,353.62

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Solution

The fourth proportional to 3,951.30, 5,927.56 and 1,353.62 is: 2,030.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,951.30 : 5,927.56 = 1,353.62 : x
  2. Step 2: Convert to fraction form
    3,951.30/5,927.56 = 1,353.62/x
  3. Step 3: Cross multiply
    3,951.30x = 5,927.56 × 1,353.62
  4. Step 4: Simplify right side
    3,951.30x = 8,023,663.77
  5. Step 5: Solve for x
    x = 8,023,663.77/3,951.30
  6. Step 6: Final answer
    x = 2,030.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.