Home / 3,767.82-5,194.86-2,421.04

Finding the Fourth Proportional to 3,767.82, 5,194.86 and 2,421.04

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Solution

The fourth proportional to 3,767.82, 5,194.86 and 2,421.04 is: 3,337.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,767.82 : 5,194.86 = 2,421.04 : x
  2. Step 2: Convert to fraction form
    3,767.82/5,194.86 = 2,421.04/x
  3. Step 3: Cross multiply
    3,767.82x = 5,194.86 × 2,421.04
  4. Step 4: Simplify right side
    3,767.82x = 12,576,963.85
  5. Step 5: Solve for x
    x = 12,576,963.85/3,767.82
  6. Step 6: Final answer
    x = 3,337.99

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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.