Home / 3,881.37-5,356.47-2,202.84

Finding the Fourth Proportional to 3,881.37, 5,356.47 and 2,202.84

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Solution

The fourth proportional to 3,881.37, 5,356.47 and 2,202.84 is: 3,040.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,881.37 : 5,356.47 = 2,202.84 : x
  2. Step 2: Convert to fraction form
    3,881.37/5,356.47 = 2,202.84/x
  3. Step 3: Cross multiply
    3,881.37x = 5,356.47 × 2,202.84
  4. Step 4: Simplify right side
    3,881.37x = 11,799,446.37
  5. Step 5: Solve for x
    x = 11,799,446.37/3,881.37
  6. Step 6: Final answer
    x = 3,040.02

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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.