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Finding the Fourth Proportional to 4,483.72, 6,185 and 2,690.73

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Solution

The fourth proportional to 4,483.72, 6,185 and 2,690.73 is: 3,711.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,483.72 : 6,185 = 2,690.73 : x
  2. Step 2: Convert to fraction form
    4,483.72/6,185 = 2,690.73/x
  3. Step 3: Cross multiply
    4,483.72x = 6,185 × 2,690.73
  4. Step 4: Simplify right side
    4,483.72x = 16,642,165.05
  5. Step 5: Solve for x
    x = 16,642,165.05/4,483.72
  6. Step 6: Final answer
    x = 3,711.69

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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.