Home / 3,752.13-5,177.13-2,179.38

Finding the Fourth Proportional to 3,752.13, 5,177.13 and 2,179.38

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Solution

The fourth proportional to 3,752.13, 5,177.13 and 2,179.38 is: 3,007.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,752.13 : 5,177.13 = 2,179.38 : x
  2. Step 2: Convert to fraction form
    3,752.13/5,177.13 = 2,179.38/x
  3. Step 3: Cross multiply
    3,752.13x = 5,177.13 × 2,179.38
  4. Step 4: Simplify right side
    3,752.13x = 11,282,933.58
  5. Step 5: Solve for x
    x = 11,282,933.58/3,752.13
  6. Step 6: Final answer
    x = 3,007.07

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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.