Home / 5,919-8,168.28-3,561.18

Finding the Fourth Proportional to 5,919, 8,168.28 and 3,561.18

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Solution

The fourth proportional to 5,919, 8,168.28 and 3,561.18 is: 4,914.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,919 : 8,168.28 = 3,561.18 : x
  2. Step 2: Convert to fraction form
    5,919/8,168.28 = 3,561.18/x
  3. Step 3: Cross multiply
    5,919x = 8,168.28 × 3,561.18
  4. Step 4: Simplify right side
    5,919x = 29,088,715.37
  5. Step 5: Solve for x
    x = 29,088,715.37/5,919
  6. Step 6: Final answer
    x = 4,914.46

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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.