Home / 3,555.04-4,906.05-1,983.23

Finding the Fourth Proportional to 3,555.04, 4,906.05 and 1,983.23

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Solution

The fourth proportional to 3,555.04, 4,906.05 and 1,983.23 is: 2,736.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.04 : 4,906.05 = 1,983.23 : x
  2. Step 2: Convert to fraction form
    3,555.04/4,906.05 = 1,983.23/x
  3. Step 3: Cross multiply
    3,555.04x = 4,906.05 × 1,983.23
  4. Step 4: Simplify right side
    3,555.04x = 9,729,825.54
  5. Step 5: Solve for x
    x = 9,729,825.54/3,555.04
  6. Step 6: Final answer
    x = 2,736.91

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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.