Home / 4,112.77-6,168.12-1,614.46

Finding the Fourth Proportional to 4,112.77, 6,168.12 and 1,614.46

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Solution

The fourth proportional to 4,112.77, 6,168.12 and 1,614.46 is: 2,421.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,112.77 : 6,168.12 = 1,614.46 : x
  2. Step 2: Convert to fraction form
    4,112.77/6,168.12 = 1,614.46/x
  3. Step 3: Cross multiply
    4,112.77x = 6,168.12 × 1,614.46
  4. Step 4: Simplify right side
    4,112.77x = 9,958,183.02
  5. Step 5: Solve for x
    x = 9,958,183.02/4,112.77
  6. Step 6: Final answer
    x = 2,421.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.