Home / 3,472.14-4,791.43-1,900.20

Finding the Fourth Proportional to 3,472.14, 4,791.43 and 1,900.20

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Solution

The fourth proportional to 3,472.14, 4,791.43 and 1,900.20 is: 2,622.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,472.14 : 4,791.43 = 1,900.20 : x
  2. Step 2: Convert to fraction form
    3,472.14/4,791.43 = 1,900.20/x
  3. Step 3: Cross multiply
    3,472.14x = 4,791.43 × 1,900.20
  4. Step 4: Simplify right side
    3,472.14x = 9,104,675.29
  5. Step 5: Solve for x
    x = 9,104,675.29/3,472.14
  6. Step 6: Final answer
    x = 2,622.21

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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.