Home / 3,584.13-4,946.14-1,990.81

Finding the Fourth Proportional to 3,584.13, 4,946.14 and 1,990.81

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Solution

The fourth proportional to 3,584.13, 4,946.14 and 1,990.81 is: 2,747.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,584.13 : 4,946.14 = 1,990.81 : x
  2. Step 2: Convert to fraction form
    3,584.13/4,946.14 = 1,990.81/x
  3. Step 3: Cross multiply
    3,584.13x = 4,946.14 × 1,990.81
  4. Step 4: Simplify right side
    3,584.13x = 9,846,824.97
  5. Step 5: Solve for x
    x = 9,846,824.97/3,584.13
  6. Step 6: Final answer
    x = 2,747.34

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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.