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Finding the Fourth Proportional to 5,761.69, 7,948.94 and 3,370.90

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Solution

The fourth proportional to 5,761.69, 7,948.94 and 3,370.90 is: 4,650.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,761.69 : 7,948.94 = 3,370.90 : x
  2. Step 2: Convert to fraction form
    5,761.69/7,948.94 = 3,370.90/x
  3. Step 3: Cross multiply
    5,761.69x = 7,948.94 × 3,370.90
  4. Step 4: Simplify right side
    5,761.69x = 26,795,070.40
  5. Step 5: Solve for x
    x = 26,795,070.40/5,761.69
  6. Step 6: Final answer
    x = 4,650.56

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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.