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Finding the Fourth Proportional to 3,951.75, 5,927.64 and 1,030.05

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Solution

The fourth proportional to 3,951.75, 5,927.64 and 1,030.05 is: 1,545.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,951.75 : 5,927.64 = 1,030.05 : x
  2. Step 2: Convert to fraction form
    3,951.75/5,927.64 = 1,030.05/x
  3. Step 3: Cross multiply
    3,951.75x = 5,927.64 × 1,030.05
  4. Step 4: Simplify right side
    3,951.75x = 6,105,765.58
  5. Step 5: Solve for x
    x = 6,105,765.58/3,951.75
  6. Step 6: Final answer
    x = 1,545.08

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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.