Home / 1,850.97-2,553.70-1,152.30

Finding the Fourth Proportional to 1,850.97, 2,553.70 and 1,152.30

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Solution

The fourth proportional to 1,850.97, 2,553.70 and 1,152.30 is: 1,589.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,850.97 : 2,553.70 = 1,152.30 : x
  2. Step 2: Convert to fraction form
    1,850.97/2,553.70 = 1,152.30/x
  3. Step 3: Cross multiply
    1,850.97x = 2,553.70 × 1,152.30
  4. Step 4: Simplify right side
    1,850.97x = 2,942,628.51
  5. Step 5: Solve for x
    x = 2,942,628.51/1,850.97
  6. Step 6: Final answer
    x = 1,589.78

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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.