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Finding the Fourth Proportional to 4,861.99, 6,710.05 and 2,974.83

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Solution

The fourth proportional to 4,861.99, 6,710.05 and 2,974.83 is: 4,105.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,861.99 : 6,710.05 = 2,974.83 : x
  2. Step 2: Convert to fraction form
    4,861.99/6,710.05 = 2,974.83/x
  3. Step 3: Cross multiply
    4,861.99x = 6,710.05 × 2,974.83
  4. Step 4: Simplify right side
    4,861.99x = 19,961,258.04
  5. Step 5: Solve for x
    x = 19,961,258.04/4,861.99
  6. Step 6: Final answer
    x = 4,105.57

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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.