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Finding the Fourth Proportional to 3,593.88, 5,390.94 and 997.02

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Solution

The fourth proportional to 3,593.88, 5,390.94 and 997.02 is: 1,495.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,593.88 : 5,390.94 = 997.02 : x
  2. Step 2: Convert to fraction form
    3,593.88/5,390.94 = 997.02/x
  3. Step 3: Cross multiply
    3,593.88x = 5,390.94 × 997.02
  4. Step 4: Simplify right side
    3,593.88x = 5,374,875.00
  5. Step 5: Solve for x
    x = 5,374,875.00/3,593.88
  6. Step 6: Final answer
    x = 1,495.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.