Home / 1,131.24-1,696.80-1,044.30

Finding the Fourth Proportional to 1,131.24, 1,696.80 and 1,044.30

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Solution

The fourth proportional to 1,131.24, 1,696.80 and 1,044.30 is: 1,566.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131.24 : 1,696.80 = 1,044.30 : x
  2. Step 2: Convert to fraction form
    1,131.24/1,696.80 = 1,044.30/x
  3. Step 3: Cross multiply
    1,131.24x = 1,696.80 × 1,044.30
  4. Step 4: Simplify right side
    1,131.24x = 1,771,968.24
  5. Step 5: Solve for x
    x = 1,771,968.24/1,131.24
  6. Step 6: Final answer
    x = 1,566.39

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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.