Home / 6,894.25-9,514.55-3,910.34

Finding the Fourth Proportional to 6,894.25, 9,514.55 and 3,910.34

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Solution

The fourth proportional to 6,894.25, 9,514.55 and 3,910.34 is: 5,396.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,894.25 : 9,514.55 = 3,910.34 : x
  2. Step 2: Convert to fraction form
    6,894.25/9,514.55 = 3,910.34/x
  3. Step 3: Cross multiply
    6,894.25x = 9,514.55 × 3,910.34
  4. Step 4: Simplify right side
    6,894.25x = 37,205,125.45
  5. Step 5: Solve for x
    x = 37,205,125.45/6,894.25
  6. Step 6: Final answer
    x = 5,396.55

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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.