Home / 6,170.81-8,519.84-3,653.73

Finding the Fourth Proportional to 6,170.81, 8,519.84 and 3,653.73

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Solution

The fourth proportional to 6,170.81, 8,519.84 and 3,653.73 is: 5,044.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,170.81 : 8,519.84 = 3,653.73 : x
  2. Step 2: Convert to fraction form
    6,170.81/8,519.84 = 3,653.73/x
  3. Step 3: Cross multiply
    6,170.81x = 8,519.84 × 3,653.73
  4. Step 4: Simplify right side
    6,170.81x = 31,129,176.73
  5. Step 5: Solve for x
    x = 31,129,176.73/6,170.81
  6. Step 6: Final answer
    x = 5,044.59

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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.