Home / 3,538.11-4,882.71-1,966.21

Finding the Fourth Proportional to 3,538.11, 4,882.71 and 1,966.21

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Solution

The fourth proportional to 3,538.11, 4,882.71 and 1,966.21 is: 2,713.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,538.11 : 4,882.71 = 1,966.21 : x
  2. Step 2: Convert to fraction form
    3,538.11/4,882.71 = 1,966.21/x
  3. Step 3: Cross multiply
    3,538.11x = 4,882.71 × 1,966.21
  4. Step 4: Simplify right side
    3,538.11x = 9,600,433.23
  5. Step 5: Solve for x
    x = 9,600,433.23/3,538.11
  6. Step 6: Final answer
    x = 2,713.44

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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.