Home / 3,836.12-5,291.16-2,511.36

Finding the Fourth Proportional to 3,836.12, 5,291.16 and 2,511.36

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Solution

The fourth proportional to 3,836.12, 5,291.16 and 2,511.36 is: 3,463.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,836.12 : 5,291.16 = 2,511.36 : x
  2. Step 2: Convert to fraction form
    3,836.12/5,291.16 = 2,511.36/x
  3. Step 3: Cross multiply
    3,836.12x = 5,291.16 × 2,511.36
  4. Step 4: Simplify right side
    3,836.12x = 13,288,007.58
  5. Step 5: Solve for x
    x = 13,288,007.58/3,836.12
  6. Step 6: Final answer
    x = 3,463.92

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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.