Home / 1,902.52-2,625.92-1,194.40

Finding the Fourth Proportional to 1,902.52, 2,625.92 and 1,194.40

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Solution

The fourth proportional to 1,902.52, 2,625.92 and 1,194.40 is: 1,648.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,902.52 : 2,625.92 = 1,194.40 : x
  2. Step 2: Convert to fraction form
    1,902.52/2,625.92 = 1,194.40/x
  3. Step 3: Cross multiply
    1,902.52x = 2,625.92 × 1,194.40
  4. Step 4: Simplify right side
    1,902.52x = 3,136,398.85
  5. Step 5: Solve for x
    x = 3,136,398.85/1,902.52
  6. Step 6: Final answer
    x = 1,648.55

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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.