Home / 1,825.12-2,733.29-1,042.75

Finding the Fourth Proportional to 1,825.12, 2,733.29 and 1,042.75

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Solution

The fourth proportional to 1,825.12, 2,733.29 and 1,042.75 is: 1,561.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,825.12 : 2,733.29 = 1,042.75 : x
  2. Step 2: Convert to fraction form
    1,825.12/2,733.29 = 1,042.75/x
  3. Step 3: Cross multiply
    1,825.12x = 2,733.29 × 1,042.75
  4. Step 4: Simplify right side
    1,825.12x = 2,850,133.92
  5. Step 5: Solve for x
    x = 2,850,133.92/1,825.12
  6. Step 6: Final answer
    x = 1,561.62

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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.