Home / 3,746.93-5,170.97-2,255.32

Finding the Fourth Proportional to 3,746.93, 5,170.97 and 2,255.32

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Solution

The fourth proportional to 3,746.93, 5,170.97 and 2,255.32 is: 3,112.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,746.93 : 5,170.97 = 2,255.32 : x
  2. Step 2: Convert to fraction form
    3,746.93/5,170.97 = 2,255.32/x
  3. Step 3: Cross multiply
    3,746.93x = 5,170.97 × 2,255.32
  4. Step 4: Simplify right side
    3,746.93x = 11,662,192.06
  5. Step 5: Solve for x
    x = 11,662,192.06/3,746.93
  6. Step 6: Final answer
    x = 3,112.47

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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.