Home / 3,091.35-4,609.44-2,747.91

Finding the Fourth Proportional to 3,091.35, 4,609.44 and 2,747.91

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Solution

The fourth proportional to 3,091.35, 4,609.44 and 2,747.91 is: 4,097.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.35 : 4,609.44 = 2,747.91 : x
  2. Step 2: Convert to fraction form
    3,091.35/4,609.44 = 2,747.91/x
  3. Step 3: Cross multiply
    3,091.35x = 4,609.44 × 2,747.91
  4. Step 4: Simplify right side
    3,091.35x = 12,666,326.27
  5. Step 5: Solve for x
    x = 12,666,326.27/3,091.35
  6. Step 6: Final answer
    x = 4,097.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.