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Finding the Fourth Proportional to 5,735.88, 7,917.94 and 3,498.56

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Solution

The fourth proportional to 5,735.88, 7,917.94 and 3,498.56 is: 4,829.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,735.88 : 7,917.94 = 3,498.56 : x
  2. Step 2: Convert to fraction form
    5,735.88/7,917.94 = 3,498.56/x
  3. Step 3: Cross multiply
    5,735.88x = 7,917.94 × 3,498.56
  4. Step 4: Simplify right side
    5,735.88x = 27,701,382.64
  5. Step 5: Solve for x
    x = 27,701,382.64/5,735.88
  6. Step 6: Final answer
    x = 4,829.49

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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.