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Finding the Fourth Proportional to 6,791.75, 9,373.47 and 3,807.57

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Solution

The fourth proportional to 6,791.75, 9,373.47 and 3,807.57 is: 5,254.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,791.75 : 9,373.47 = 3,807.57 : x
  2. Step 2: Convert to fraction form
    6,791.75/9,373.47 = 3,807.57/x
  3. Step 3: Cross multiply
    6,791.75x = 9,373.47 × 3,807.57
  4. Step 4: Simplify right side
    6,791.75x = 35,690,185.46
  5. Step 5: Solve for x
    x = 35,690,185.46/6,791.75
  6. Step 6: Final answer
    x = 5,254.93

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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.