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Finding the Fourth Proportional to 5,929.67, 8,184.58 and 3,690.21

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Solution

The fourth proportional to 5,929.67, 8,184.58 and 3,690.21 is: 5,093.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,929.67 : 8,184.58 = 3,690.21 : x
  2. Step 2: Convert to fraction form
    5,929.67/8,184.58 = 3,690.21/x
  3. Step 3: Cross multiply
    5,929.67x = 8,184.58 × 3,690.21
  4. Step 4: Simplify right side
    5,929.67x = 30,202,818.96
  5. Step 5: Solve for x
    x = 30,202,818.96/5,929.67
  6. Step 6: Final answer
    x = 5,093.51

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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.