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Finding the Fourth Proportional to 6,790.52, 9,370.10 and 3,958.52

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Solution

The fourth proportional to 6,790.52, 9,370.10 and 3,958.52 is: 5,462.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,790.52 : 9,370.10 = 3,958.52 : x
  2. Step 2: Convert to fraction form
    6,790.52/9,370.10 = 3,958.52/x
  3. Step 3: Cross multiply
    6,790.52x = 9,370.10 × 3,958.52
  4. Step 4: Simplify right side
    6,790.52x = 37,091,728.25
  5. Step 5: Solve for x
    x = 37,091,728.25/6,790.52
  6. Step 6: Final answer
    x = 5,462.28

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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.