Home / 2,778.57-3,835.08-1,600.38

Finding the Fourth Proportional to 2,778.57, 3,835.08 and 1,600.38

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Solution

The fourth proportional to 2,778.57, 3,835.08 and 1,600.38 is: 2,208.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,778.57 : 3,835.08 = 1,600.38 : x
  2. Step 2: Convert to fraction form
    2,778.57/3,835.08 = 1,600.38/x
  3. Step 3: Cross multiply
    2,778.57x = 3,835.08 × 1,600.38
  4. Step 4: Simplify right side
    2,778.57x = 6,137,585.33
  5. Step 5: Solve for x
    x = 6,137,585.33/2,778.57
  6. Step 6: Final answer
    x = 2,208.90

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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.