Home / 3,759.36-5,187.40-2,246.91

Finding the Fourth Proportional to 3,759.36, 5,187.40 and 2,246.91

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Solution

The fourth proportional to 3,759.36, 5,187.40 and 2,246.91 is: 3,100.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,759.36 : 5,187.40 = 2,246.91 : x
  2. Step 2: Convert to fraction form
    3,759.36/5,187.40 = 2,246.91/x
  3. Step 3: Cross multiply
    3,759.36x = 5,187.40 × 2,246.91
  4. Step 4: Simplify right side
    3,759.36x = 11,655,620.93
  5. Step 5: Solve for x
    x = 11,655,620.93/3,759.36
  6. Step 6: Final answer
    x = 3,100.43

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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.