Home / 2,026.12-2,796-1,141.90

Finding the Fourth Proportional to 2,026.12, 2,796 and 1,141.90

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Solution

The fourth proportional to 2,026.12, 2,796 and 1,141.90 is: 1,575.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,026.12 : 2,796 = 1,141.90 : x
  2. Step 2: Convert to fraction form
    2,026.12/2,796 = 1,141.90/x
  3. Step 3: Cross multiply
    2,026.12x = 2,796 × 1,141.90
  4. Step 4: Simplify right side
    2,026.12x = 3,192,752.40
  5. Step 5: Solve for x
    x = 3,192,752.40/2,026.12
  6. Step 6: Final answer
    x = 1,575.80

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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.