Home / 3,801.14-5,245.53-2,122.62

Finding the Fourth Proportional to 3,801.14, 5,245.53 and 2,122.62

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Solution

The fourth proportional to 3,801.14, 5,245.53 and 2,122.62 is: 2,929.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,801.14 : 5,245.53 = 2,122.62 : x
  2. Step 2: Convert to fraction form
    3,801.14/5,245.53 = 2,122.62/x
  3. Step 3: Cross multiply
    3,801.14x = 5,245.53 × 2,122.62
  4. Step 4: Simplify right side
    3,801.14x = 11,134,266.89
  5. Step 5: Solve for x
    x = 11,134,266.89/3,801.14
  6. Step 6: Final answer
    x = 2,929.19

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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.