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Finding the Fourth Proportional to 5,791.56, 8,688.30 and 2,713.56

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Solution

The fourth proportional to 5,791.56, 8,688.30 and 2,713.56 is: 4,070.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,791.56 : 8,688.30 = 2,713.56 : x
  2. Step 2: Convert to fraction form
    5,791.56/8,688.30 = 2,713.56/x
  3. Step 3: Cross multiply
    5,791.56x = 8,688.30 × 2,713.56
  4. Step 4: Simplify right side
    5,791.56x = 23,576,223.35
  5. Step 5: Solve for x
    x = 23,576,223.35/5,791.56
  6. Step 6: Final answer
    x = 4,070.79

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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.