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Finding the Fourth Proportional to 5,700.30, 7,866.81 and 3,182.90

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Solution

The fourth proportional to 5,700.30, 7,866.81 and 3,182.90 is: 4,392.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,700.30 : 7,866.81 = 3,182.90 : x
  2. Step 2: Convert to fraction form
    5,700.30/7,866.81 = 3,182.90/x
  3. Step 3: Cross multiply
    5,700.30x = 7,866.81 × 3,182.90
  4. Step 4: Simplify right side
    5,700.30x = 25,039,269.55
  5. Step 5: Solve for x
    x = 25,039,269.55/5,700.30
  6. Step 6: Final answer
    x = 4,392.62

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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.