Home / 4,076.75-6,115.43-1,155.29

Finding the Fourth Proportional to 4,076.75, 6,115.43 and 1,155.29

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Solution

The fourth proportional to 4,076.75, 6,115.43 and 1,155.29 is: 1,733.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,076.75 : 6,115.43 = 1,155.29 : x
  2. Step 2: Convert to fraction form
    4,076.75/6,115.43 = 1,155.29/x
  3. Step 3: Cross multiply
    4,076.75x = 6,115.43 × 1,155.29
  4. Step 4: Simplify right side
    4,076.75x = 7,065,067.44
  5. Step 5: Solve for x
    x = 7,065,067.44/4,076.75
  6. Step 6: Final answer
    x = 1,733.01

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1.5x scale

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.