Home / 2,769.53-3,821.85-1,650.44

Finding the Fourth Proportional to 2,769.53, 3,821.85 and 1,650.44

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Solution

The fourth proportional to 2,769.53, 3,821.85 and 1,650.44 is: 2,277.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,769.53 : 3,821.85 = 1,650.44 : x
  2. Step 2: Convert to fraction form
    2,769.53/3,821.85 = 1,650.44/x
  3. Step 3: Cross multiply
    2,769.53x = 3,821.85 × 1,650.44
  4. Step 4: Simplify right side
    2,769.53x = 6,307,743.67
  5. Step 5: Solve for x
    x = 6,307,743.67/2,769.53
  6. Step 6: Final answer
    x = 2,277.55

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1.5x scale

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.