Home / 4,061.81-5,605.30-2,198.81

Finding the Fourth Proportional to 4,061.81, 5,605.30 and 2,198.81

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Solution

The fourth proportional to 4,061.81, 5,605.30 and 2,198.81 is: 3,034.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,061.81 : 5,605.30 = 2,198.81 : x
  2. Step 2: Convert to fraction form
    4,061.81/5,605.30 = 2,198.81/x
  3. Step 3: Cross multiply
    4,061.81x = 5,605.30 × 2,198.81
  4. Step 4: Simplify right side
    4,061.81x = 12,325,006.45
  5. Step 5: Solve for x
    x = 12,325,006.45/4,061.81
  6. Step 6: Final answer
    x = 3,034.36

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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.