Home / 1,171.83-1,757.75-1,036.20

Finding the Fourth Proportional to 1,171.83, 1,757.75 and 1,036.20

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Solution

The fourth proportional to 1,171.83, 1,757.75 and 1,036.20 is: 1,554.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171.83 : 1,757.75 = 1,036.20 : x
  2. Step 2: Convert to fraction form
    1,171.83/1,757.75 = 1,036.20/x
  3. Step 3: Cross multiply
    1,171.83x = 1,757.75 × 1,036.20
  4. Step 4: Simplify right side
    1,171.83x = 1,821,375.37
  5. Step 5: Solve for x
    x = 1,821,375.37/1,171.83
  6. Step 6: Final answer
    x = 1,554.30

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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.