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Finding the Fourth Proportional to 5,698.07, 7,863.63 and 3,340.97

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Solution

The fourth proportional to 5,698.07, 7,863.63 and 3,340.97 is: 4,610.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,698.07 : 7,863.63 = 3,340.97 : x
  2. Step 2: Convert to fraction form
    5,698.07/7,863.63 = 3,340.97/x
  3. Step 3: Cross multiply
    5,698.07x = 7,863.63 × 3,340.97
  4. Step 4: Simplify right side
    5,698.07x = 26,272,112.60
  5. Step 5: Solve for x
    x = 26,272,112.60/5,698.07
  6. Step 6: Final answer
    x = 4,610.71

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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.