Home / 6,170.27-8,515.33-3,518.53

Finding the Fourth Proportional to 6,170.27, 8,515.33 and 3,518.53

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Solution

The fourth proportional to 6,170.27, 8,515.33 and 3,518.53 is: 4,855.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,170.27 : 8,515.33 = 3,518.53 : x
  2. Step 2: Convert to fraction form
    6,170.27/8,515.33 = 3,518.53/x
  3. Step 3: Cross multiply
    6,170.27x = 8,515.33 × 3,518.53
  4. Step 4: Simplify right side
    6,170.27x = 29,961,413.98
  5. Step 5: Solve for x
    x = 29,961,413.98/6,170.27
  6. Step 6: Final answer
    x = 4,855.77

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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.