Home / 1,167.30-1,758.96-966.39

Finding the Fourth Proportional to 1,167.30, 1,758.96 and 966.39

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Solution

The fourth proportional to 1,167.30, 1,758.96 and 966.39 is: 1,456.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167.30 : 1,758.96 = 966.39 : x
  2. Step 2: Convert to fraction form
    1,167.30/1,758.96 = 966.39/x
  3. Step 3: Cross multiply
    1,167.30x = 1,758.96 × 966.39
  4. Step 4: Simplify right side
    1,167.30x = 1,699,841.35
  5. Step 5: Solve for x
    x = 1,699,841.35/1,167.30
  6. Step 6: Final answer
    x = 1,456.22

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.