Home / 1,175.38-1,623.60-1,092.35

Finding the Fourth Proportional to 1,175.38, 1,623.60 and 1,092.35

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Solution

The fourth proportional to 1,175.38, 1,623.60 and 1,092.35 is: 1,508.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175.38 : 1,623.60 = 1,092.35 : x
  2. Step 2: Convert to fraction form
    1,175.38/1,623.60 = 1,092.35/x
  3. Step 3: Cross multiply
    1,175.38x = 1,623.60 × 1,092.35
  4. Step 4: Simplify right side
    1,175.38x = 1,773,543.52
  5. Step 5: Solve for x
    x = 1,773,543.52/1,175.38
  6. Step 6: Final answer
    x = 1,508.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.