Home / 3,975.74-5,486.50-2,207.33

Finding the Fourth Proportional to 3,975.74, 5,486.50 and 2,207.33

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Solution

The fourth proportional to 3,975.74, 5,486.50 and 2,207.33 is: 3,046.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,975.74 : 5,486.50 = 2,207.33 : x
  2. Step 2: Convert to fraction form
    3,975.74/5,486.50 = 2,207.33/x
  3. Step 3: Cross multiply
    3,975.74x = 5,486.50 × 2,207.33
  4. Step 4: Simplify right side
    3,975.74x = 12,110,516.05
  5. Step 5: Solve for x
    x = 12,110,516.05/3,975.74
  6. Step 6: Final answer
    x = 3,046.10

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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.