Home / 1,351.08-2,026.92-1,106.56

Finding the Fourth Proportional to 1,351.08, 2,026.92 and 1,106.56

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Solution

The fourth proportional to 1,351.08, 2,026.92 and 1,106.56 is: 1,660.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351.08 : 2,026.92 = 1,106.56 : x
  2. Step 2: Convert to fraction form
    1,351.08/2,026.92 = 1,106.56/x
  3. Step 3: Cross multiply
    1,351.08x = 2,026.92 × 1,106.56
  4. Step 4: Simplify right side
    1,351.08x = 2,242,915.28
  5. Step 5: Solve for x
    x = 2,242,915.28/1,351.08
  6. Step 6: Final answer
    x = 1,660.09

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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.