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Finding the Fourth Proportional to 3,593.85, 5,359.04 and 3,156.89

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Solution

The fourth proportional to 3,593.85, 5,359.04 and 3,156.89 is: 4,707.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,593.85 : 5,359.04 = 3,156.89 : x
  2. Step 2: Convert to fraction form
    3,593.85/5,359.04 = 3,156.89/x
  3. Step 3: Cross multiply
    3,593.85x = 5,359.04 × 3,156.89
  4. Step 4: Simplify right side
    3,593.85x = 16,917,899.79
  5. Step 5: Solve for x
    x = 16,917,899.79/3,593.85
  6. Step 6: Final answer
    x = 4,707.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.