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Finding the Fourth Proportional to 5,735.96, 8,605.20 and 1,840.76

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Solution

The fourth proportional to 5,735.96, 8,605.20 and 1,840.76 is: 2,761.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,735.96 : 8,605.20 = 1,840.76 : x
  2. Step 2: Convert to fraction form
    5,735.96/8,605.20 = 1,840.76/x
  3. Step 3: Cross multiply
    5,735.96x = 8,605.20 × 1,840.76
  4. Step 4: Simplify right side
    5,735.96x = 15,840,107.95
  5. Step 5: Solve for x
    x = 15,840,107.95/5,735.96
  6. Step 6: Final answer
    x = 2,761.54

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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.