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Finding the Fourth Proportional to 3,593.89, 4,957.54 and 2,157.89

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Solution

The fourth proportional to 3,593.89, 4,957.54 and 2,157.89 is: 2,976.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,593.89 : 4,957.54 = 2,157.89 : x
  2. Step 2: Convert to fraction form
    3,593.89/4,957.54 = 2,157.89/x
  3. Step 3: Cross multiply
    3,593.89x = 4,957.54 × 2,157.89
  4. Step 4: Simplify right side
    3,593.89x = 10,697,790.41
  5. Step 5: Solve for x
    x = 10,697,790.41/3,593.89
  6. Step 6: Final answer
    x = 2,976.66

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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.