Home / 7,910.46-10,914.21-4,723.85

Finding the Fourth Proportional to 7,910.46, 10,914.21 and 4,723.85

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Solution

The fourth proportional to 7,910.46, 10,914.21 and 4,723.85 is: 6,517.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,910.46 : 10,914.21 = 4,723.85 : x
  2. Step 2: Convert to fraction form
    7,910.46/10,914.21 = 4,723.85/x
  3. Step 3: Cross multiply
    7,910.46x = 10,914.21 × 4,723.85
  4. Step 4: Simplify right side
    7,910.46x = 51,557,118.19
  5. Step 5: Solve for x
    x = 51,557,118.19/7,910.46
  6. Step 6: Final answer
    x = 6,517.59

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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.