Home / 4,017.84-5,545.16-3,912.56

Finding the Fourth Proportional to 4,017.84, 5,545.16 and 3,912.56

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Solution

The fourth proportional to 4,017.84, 5,545.16 and 3,912.56 is: 5,399.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,017.84 : 5,545.16 = 3,912.56 : x
  2. Step 2: Convert to fraction form
    4,017.84/5,545.16 = 3,912.56/x
  3. Step 3: Cross multiply
    4,017.84x = 5,545.16 × 3,912.56
  4. Step 4: Simplify right side
    4,017.84x = 21,695,771.21
  5. Step 5: Solve for x
    x = 21,695,771.21/4,017.84
  6. Step 6: Final answer
    x = 5,399.86

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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.