Home / 3,713.78-5,124.94-2,202.35

Finding the Fourth Proportional to 3,713.78, 5,124.94 and 2,202.35

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Solution

The fourth proportional to 3,713.78, 5,124.94 and 2,202.35 is: 3,039.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,713.78 : 5,124.94 = 2,202.35 : x
  2. Step 2: Convert to fraction form
    3,713.78/5,124.94 = 2,202.35/x
  3. Step 3: Cross multiply
    3,713.78x = 5,124.94 × 2,202.35
  4. Step 4: Simplify right side
    3,713.78x = 11,286,918.92
  5. Step 5: Solve for x
    x = 11,286,918.92/3,713.78
  6. Step 6: Final answer
    x = 3,039.20

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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.