Home / 1,193.67-1,782.57-1,180.80

Finding the Fourth Proportional to 1,193.67, 1,782.57 and 1,180.80

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Solution

The fourth proportional to 1,193.67, 1,782.57 and 1,180.80 is: 1,763.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,193.67 : 1,782.57 = 1,180.80 : x
  2. Step 2: Convert to fraction form
    1,193.67/1,782.57 = 1,180.80/x
  3. Step 3: Cross multiply
    1,193.67x = 1,782.57 × 1,180.80
  4. Step 4: Simplify right side
    1,193.67x = 2,104,858.66
  5. Step 5: Solve for x
    x = 2,104,858.66/1,193.67
  6. Step 6: Final answer
    x = 1,763.35

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.