Home / 4,269.24-5,891.40-2,380.80

Finding the Fourth Proportional to 4,269.24, 5,891.40 and 2,380.80

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Solution

The fourth proportional to 4,269.24, 5,891.40 and 2,380.80 is: 3,285.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,269.24 : 5,891.40 = 2,380.80 : x
  2. Step 2: Convert to fraction form
    4,269.24/5,891.40 = 2,380.80/x
  3. Step 3: Cross multiply
    4,269.24x = 5,891.40 × 2,380.80
  4. Step 4: Simplify right side
    4,269.24x = 14,026,245.12
  5. Step 5: Solve for x
    x = 14,026,245.12/4,269.24
  6. Step 6: Final answer
    x = 3,285.42

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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.