Home / 3,039.92-4,196.44-2,255.32

Finding the Fourth Proportional to 3,039.92, 4,196.44 and 2,255.32

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Solution

The fourth proportional to 3,039.92, 4,196.44 and 2,255.32 is: 3,113.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,039.92 : 4,196.44 = 2,255.32 : x
  2. Step 2: Convert to fraction form
    3,039.92/4,196.44 = 2,255.32/x
  3. Step 3: Cross multiply
    3,039.92x = 4,196.44 × 2,255.32
  4. Step 4: Simplify right side
    3,039.92x = 9,464,315.06
  5. Step 5: Solve for x
    x = 9,464,315.06/3,039.92
  6. Step 6: Final answer
    x = 3,113.34

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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.