Home / 1,919.90-2,876.78-1,735.38

Finding the Fourth Proportional to 1,919.90, 2,876.78 and 1,735.38

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Solution

The fourth proportional to 1,919.90, 2,876.78 and 1,735.38 is: 2,600.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,919.90 : 2,876.78 = 1,735.38 : x
  2. Step 2: Convert to fraction form
    1,919.90/2,876.78 = 1,735.38/x
  3. Step 3: Cross multiply
    1,919.90x = 2,876.78 × 1,735.38
  4. Step 4: Simplify right side
    1,919.90x = 4,992,306.48
  5. Step 5: Solve for x
    x = 4,992,306.48/1,919.90
  6. Step 6: Final answer
    x = 2,600.30

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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.