Home / 3,471.09-4,790.57-3,175.85

Finding the Fourth Proportional to 3,471.09, 4,790.57 and 3,175.85

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Solution

The fourth proportional to 3,471.09, 4,790.57 and 3,175.85 is: 4,383.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,471.09 : 4,790.57 = 3,175.85 : x
  2. Step 2: Convert to fraction form
    3,471.09/4,790.57 = 3,175.85/x
  3. Step 3: Cross multiply
    3,471.09x = 4,790.57 × 3,175.85
  4. Step 4: Simplify right side
    3,471.09x = 15,214,091.90
  5. Step 5: Solve for x
    x = 15,214,091.90/3,471.09
  6. Step 6: Final answer
    x = 4,383.09

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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.