Home / 1,878.38-2,592.33-1,092.38

Finding the Fourth Proportional to 1,878.38, 2,592.33 and 1,092.38

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Solution

The fourth proportional to 1,878.38, 2,592.33 and 1,092.38 is: 1,507.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,878.38 : 2,592.33 = 1,092.38 : x
  2. Step 2: Convert to fraction form
    1,878.38/2,592.33 = 1,092.38/x
  3. Step 3: Cross multiply
    1,878.38x = 2,592.33 × 1,092.38
  4. Step 4: Simplify right side
    1,878.38x = 2,831,792.39
  5. Step 5: Solve for x
    x = 2,831,792.39/1,878.38
  6. Step 6: Final answer
    x = 1,507.57

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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.