Home / 1,180.24-1,771.43-1,175.81

Finding the Fourth Proportional to 1,180.24, 1,771.43 and 1,175.81

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Solution

The fourth proportional to 1,180.24, 1,771.43 and 1,175.81 is: 1,764.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180.24 : 1,771.43 = 1,175.81 : x
  2. Step 2: Convert to fraction form
    1,180.24/1,771.43 = 1,175.81/x
  3. Step 3: Cross multiply
    1,180.24x = 1,771.43 × 1,175.81
  4. Step 4: Simplify right side
    1,180.24x = 2,082,850.37
  5. Step 5: Solve for x
    x = 2,082,850.37/1,180.24
  6. Step 6: Final answer
    x = 1,764.77

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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.