Home / 3,700.74-5,107.08-2,022.21

Finding the Fourth Proportional to 3,700.74, 5,107.08 and 2,022.21

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Solution

The fourth proportional to 3,700.74, 5,107.08 and 2,022.21 is: 2,790.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,700.74 : 5,107.08 = 2,022.21 : x
  2. Step 2: Convert to fraction form
    3,700.74/5,107.08 = 2,022.21/x
  3. Step 3: Cross multiply
    3,700.74x = 5,107.08 × 2,022.21
  4. Step 4: Simplify right side
    3,700.74x = 10,327,614.98
  5. Step 5: Solve for x
    x = 10,327,614.98/3,700.74
  6. Step 6: Final answer
    x = 2,790.69

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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.