Home / 2,777.41-3,829.57-2,305.86

Finding the Fourth Proportional to 2,777.41, 3,829.57 and 2,305.86

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Solution

The fourth proportional to 2,777.41, 3,829.57 and 2,305.86 is: 3,179.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,777.41 : 3,829.57 = 2,305.86 : x
  2. Step 2: Convert to fraction form
    2,777.41/3,829.57 = 2,305.86/x
  3. Step 3: Cross multiply
    2,777.41x = 3,829.57 × 2,305.86
  4. Step 4: Simplify right side
    2,777.41x = 8,830,452.28
  5. Step 5: Solve for x
    x = 8,830,452.28/2,777.41
  6. Step 6: Final answer
    x = 3,179.38

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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.