Home / 4,861.66-7,296.02-1,940.80

Finding the Fourth Proportional to 4,861.66, 7,296.02 and 1,940.80

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Solution

The fourth proportional to 4,861.66, 7,296.02 and 1,940.80 is: 2,912.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,861.66 : 7,296.02 = 1,940.80 : x
  2. Step 2: Convert to fraction form
    4,861.66/7,296.02 = 1,940.80/x
  3. Step 3: Cross multiply
    4,861.66x = 7,296.02 × 1,940.80
  4. Step 4: Simplify right side
    4,861.66x = 14,160,115.62
  5. Step 5: Solve for x
    x = 14,160,115.62/4,861.66
  6. Step 6: Final answer
    x = 2,912.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.