Home / 4,284.48-5,914.37-3,105.32

Finding the Fourth Proportional to 4,284.48, 5,914.37 and 3,105.32

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Solution

The fourth proportional to 4,284.48, 5,914.37 and 3,105.32 is: 4,286.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,284.48 : 5,914.37 = 3,105.32 : x
  2. Step 2: Convert to fraction form
    4,284.48/5,914.37 = 3,105.32/x
  3. Step 3: Cross multiply
    4,284.48x = 5,914.37 × 3,105.32
  4. Step 4: Simplify right side
    4,284.48x = 18,365,995.92
  5. Step 5: Solve for x
    x = 18,365,995.92/4,284.48
  6. Step 6: Final answer
    x = 4,286.63

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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.