Home / 1,102.30-1,651.10-1,026.34

Finding the Fourth Proportional to 1,102.30, 1,651.10 and 1,026.34

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Solution

The fourth proportional to 1,102.30, 1,651.10 and 1,026.34 is: 1,537.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102.30 : 1,651.10 = 1,026.34 : x
  2. Step 2: Convert to fraction form
    1,102.30/1,651.10 = 1,026.34/x
  3. Step 3: Cross multiply
    1,102.30x = 1,651.10 × 1,026.34
  4. Step 4: Simplify right side
    1,102.30x = 1,694,589.97
  5. Step 5: Solve for x
    x = 1,694,589.97/1,102.30
  6. Step 6: Final answer
    x = 1,537.32

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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.