Home / 5,694.75-7,858.21-3,176.66

Finding the Fourth Proportional to 5,694.75, 7,858.21 and 3,176.66

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Solution

The fourth proportional to 5,694.75, 7,858.21 and 3,176.66 is: 4,383.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,694.75 : 7,858.21 = 3,176.66 : x
  2. Step 2: Convert to fraction form
    5,694.75/7,858.21 = 3,176.66/x
  3. Step 3: Cross multiply
    5,694.75x = 7,858.21 × 3,176.66
  4. Step 4: Simplify right side
    5,694.75x = 24,962,845.50
  5. Step 5: Solve for x
    x = 24,962,845.50/5,694.75
  6. Step 6: Final answer
    x = 4,383.48

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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.