Home / 1,781.97-2,669.36-1,492.37

Finding the Fourth Proportional to 1,781.97, 2,669.36 and 1,492.37

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Solution

The fourth proportional to 1,781.97, 2,669.36 and 1,492.37 is: 2,235.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781.97 : 2,669.36 = 1,492.37 : x
  2. Step 2: Convert to fraction form
    1,781.97/2,669.36 = 1,492.37/x
  3. Step 3: Cross multiply
    1,781.97x = 2,669.36 × 1,492.37
  4. Step 4: Simplify right side
    1,781.97x = 3,983,651.97
  5. Step 5: Solve for x
    x = 3,983,651.97/1,781.97
  6. Step 6: Final answer
    x = 2,235.53

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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.