Home / 4,013.78-5,539.14-2,245.37

Finding the Fourth Proportional to 4,013.78, 5,539.14 and 2,245.37

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Solution

The fourth proportional to 4,013.78, 5,539.14 and 2,245.37 is: 3,098.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,013.78 : 5,539.14 = 2,245.37 : x
  2. Step 2: Convert to fraction form
    4,013.78/5,539.14 = 2,245.37/x
  3. Step 3: Cross multiply
    4,013.78x = 5,539.14 × 2,245.37
  4. Step 4: Simplify right side
    4,013.78x = 12,437,391.09
  5. Step 5: Solve for x
    x = 12,437,391.09/4,013.78
  6. Step 6: Final answer
    x = 3,098.68

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Half scale
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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.