Home / 3,882.44-5,357.58-2,113.94

Finding the Fourth Proportional to 3,882.44, 5,357.58 and 2,113.94

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Solution

The fourth proportional to 3,882.44, 5,357.58 and 2,113.94 is: 2,917.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,882.44 : 5,357.58 = 2,113.94 : x
  2. Step 2: Convert to fraction form
    3,882.44/5,357.58 = 2,113.94/x
  3. Step 3: Cross multiply
    3,882.44x = 5,357.58 × 2,113.94
  4. Step 4: Simplify right side
    3,882.44x = 11,325,602.67
  5. Step 5: Solve for x
    x = 11,325,602.67/3,882.44
  6. Step 6: Final answer
    x = 2,917.14

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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.