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Finding the Fourth Proportional to 5,808.72, 8,011.80 and 3,684.92

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Solution

The fourth proportional to 5,808.72, 8,011.80 and 3,684.92 is: 5,082.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,808.72 : 8,011.80 = 3,684.92 : x
  2. Step 2: Convert to fraction form
    5,808.72/8,011.80 = 3,684.92/x
  3. Step 3: Cross multiply
    5,808.72x = 8,011.80 × 3,684.92
  4. Step 4: Simplify right side
    5,808.72x = 29,522,842.06
  5. Step 5: Solve for x
    x = 29,522,842.06/5,808.72
  6. Step 6: Final answer
    x = 5,082.50

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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.