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Finding the Fourth Proportional to 5,998.85, 8,274.31 and 3,953.60

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Solution

The fourth proportional to 5,998.85, 8,274.31 and 3,953.60 is: 5,453.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,998.85 : 8,274.31 = 3,953.60 : x
  2. Step 2: Convert to fraction form
    5,998.85/8,274.31 = 3,953.60/x
  3. Step 3: Cross multiply
    5,998.85x = 8,274.31 × 3,953.60
  4. Step 4: Simplify right side
    5,998.85x = 32,713,312.02
  5. Step 5: Solve for x
    x = 32,713,312.02/5,998.85
  6. Step 6: Final answer
    x = 5,453.26

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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.