Home / 6,171.03-8,515.67-3,518.69

Finding the Fourth Proportional to 6,171.03, 8,515.67 and 3,518.69

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Solution

The fourth proportional to 6,171.03, 8,515.67 and 3,518.69 is: 4,855.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,171.03 : 8,515.67 = 3,518.69 : x
  2. Step 2: Convert to fraction form
    6,171.03/8,515.67 = 3,518.69/x
  3. Step 3: Cross multiply
    6,171.03x = 8,515.67 × 3,518.69
  4. Step 4: Simplify right side
    6,171.03x = 29,963,942.70
  5. Step 5: Solve for x
    x = 29,963,942.70/6,171.03
  6. Step 6: Final answer
    x = 4,855.58

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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.