Home / 5,918.10-8,163.54-3,792.88

Finding the Fourth Proportional to 5,918.10, 8,163.54 and 3,792.88

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Solution

The fourth proportional to 5,918.10, 8,163.54 and 3,792.88 is: 5,231.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,918.10 : 8,163.54 = 3,792.88 : x
  2. Step 2: Convert to fraction form
    5,918.10/8,163.54 = 3,792.88/x
  3. Step 3: Cross multiply
    5,918.10x = 8,163.54 × 3,792.88
  4. Step 4: Simplify right side
    5,918.10x = 30,963,328.99
  5. Step 5: Solve for x
    x = 30,963,328.99/5,918.10
  6. Step 6: Final answer
    x = 5,231.97

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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.