Home / 6,171.07-8,515.99-3,518.53

Finding the Fourth Proportional to 6,171.07, 8,515.99 and 3,518.53

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Solution

The fourth proportional to 6,171.07, 8,515.99 and 3,518.53 is: 4,855.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,171.07 : 8,515.99 = 3,518.53 : x
  2. Step 2: Convert to fraction form
    6,171.07/8,515.99 = 3,518.53/x
  3. Step 3: Cross multiply
    6,171.07x = 8,515.99 × 3,518.53
  4. Step 4: Simplify right side
    6,171.07x = 29,963,766.29
  5. Step 5: Solve for x
    x = 29,963,766.29/6,171.07
  6. Step 6: Final answer
    x = 4,855.52

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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.