Home / 4,166.11-6,247.05-1,391.80

Finding the Fourth Proportional to 4,166.11, 6,247.05 and 1,391.80

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Solution

The fourth proportional to 4,166.11, 6,247.05 and 1,391.80 is: 2,086.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,166.11 : 6,247.05 = 1,391.80 : x
  2. Step 2: Convert to fraction form
    4,166.11/6,247.05 = 1,391.80/x
  3. Step 3: Cross multiply
    4,166.11x = 6,247.05 × 1,391.80
  4. Step 4: Simplify right side
    4,166.11x = 8,694,644.19
  5. Step 5: Solve for x
    x = 8,694,644.19/4,166.11
  6. Step 6: Final answer
    x = 2,086.99

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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.