Home / 3,185.16-4,396.04-1,926.38

Finding the Fourth Proportional to 3,185.16, 4,396.04 and 1,926.38

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Solution

The fourth proportional to 3,185.16, 4,396.04 and 1,926.38 is: 2,658.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,185.16 : 4,396.04 = 1,926.38 : x
  2. Step 2: Convert to fraction form
    3,185.16/4,396.04 = 1,926.38/x
  3. Step 3: Cross multiply
    3,185.16x = 4,396.04 × 1,926.38
  4. Step 4: Simplify right side
    3,185.16x = 8,468,443.54
  5. Step 5: Solve for x
    x = 8,468,443.54/3,185.16
  6. Step 6: Final answer
    x = 2,658.72

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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.