Home / 6,919.98-10,379.99-1,725.85

Finding the Fourth Proportional to 6,919.98, 10,379.99 and 1,725.85

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Solution

The fourth proportional to 6,919.98, 10,379.99 and 1,725.85 is: 2,588.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,919.98 : 10,379.99 = 1,725.85 : x
  2. Step 2: Convert to fraction form
    6,919.98/10,379.99 = 1,725.85/x
  3. Step 3: Cross multiply
    6,919.98x = 10,379.99 × 1,725.85
  4. Step 4: Simplify right side
    6,919.98x = 17,914,305.74
  5. Step 5: Solve for x
    x = 17,914,305.74/6,919.98
  6. Step 6: Final answer
    x = 2,588.78

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Similar ratio
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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.