Home / 3,752.11-5,172.42-2,629.65

Finding the Fourth Proportional to 3,752.11, 5,172.42 and 2,629.65

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Solution

The fourth proportional to 3,752.11, 5,172.42 and 2,629.65 is: 3,625.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,752.11 : 5,172.42 = 2,629.65 : x
  2. Step 2: Convert to fraction form
    3,752.11/5,172.42 = 2,629.65/x
  3. Step 3: Cross multiply
    3,752.11x = 5,172.42 × 2,629.65
  4. Step 4: Simplify right side
    3,752.11x = 13,601,654.25
  5. Step 5: Solve for x
    x = 13,601,654.25/3,752.11
  6. Step 6: Final answer
    x = 3,625.07

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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.