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Finding the Fourth Proportional to 5,723.55, 7,898.27 and 3,205.62

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Solution

The fourth proportional to 5,723.55, 7,898.27 and 3,205.62 is: 4,423.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,723.55 : 7,898.27 = 3,205.62 : x
  2. Step 2: Convert to fraction form
    5,723.55/7,898.27 = 3,205.62/x
  3. Step 3: Cross multiply
    5,723.55x = 7,898.27 × 3,205.62
  4. Step 4: Simplify right side
    5,723.55x = 25,318,836.25
  5. Step 5: Solve for x
    x = 25,318,836.25/5,723.55
  6. Step 6: Final answer
    x = 4,423.62

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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.