Home / 3,538.24-4,882.80-1,966.36

Finding the Fourth Proportional to 3,538.24, 4,882.80 and 1,966.36

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Solution

The fourth proportional to 3,538.24, 4,882.80 and 1,966.36 is: 2,713.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,538.24 : 4,882.80 = 1,966.36 : x
  2. Step 2: Convert to fraction form
    3,538.24/4,882.80 = 1,966.36/x
  3. Step 3: Cross multiply
    3,538.24x = 4,882.80 × 1,966.36
  4. Step 4: Simplify right side
    3,538.24x = 9,601,342.61
  5. Step 5: Solve for x
    x = 9,601,342.61/3,538.24
  6. Step 6: Final answer
    x = 2,713.59

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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.