Home / 6,170.82-8,515.65-3,518.27

Finding the Fourth Proportional to 6,170.82, 8,515.65 and 3,518.27

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Solution

The fourth proportional to 6,170.82, 8,515.65 and 3,518.27 is: 4,855.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,170.82 : 8,515.65 = 3,518.27 : x
  2. Step 2: Convert to fraction form
    6,170.82/8,515.65 = 3,518.27/x
  3. Step 3: Cross multiply
    6,170.82x = 8,515.65 × 3,518.27
  4. Step 4: Simplify right side
    6,170.82x = 29,960,377.21
  5. Step 5: Solve for x
    x = 29,960,377.21/6,170.82
  6. Step 6: Final answer
    x = 4,855.17

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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.