Home / 3,983.13-5,966.55-1,896.82

Finding the Fourth Proportional to 3,983.13, 5,966.55 and 1,896.82

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Solution

The fourth proportional to 3,983.13, 5,966.55 and 1,896.82 is: 2,841.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,983.13 : 5,966.55 = 1,896.82 : x
  2. Step 2: Convert to fraction form
    3,983.13/5,966.55 = 1,896.82/x
  3. Step 3: Cross multiply
    3,983.13x = 5,966.55 × 1,896.82
  4. Step 4: Simplify right side
    3,983.13x = 11,317,456.45
  5. Step 5: Solve for x
    x = 11,317,456.45/3,983.13
  6. Step 6: Final answer
    x = 2,841.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.