Home / 3,673.36-5,512.78-2,031.32

Finding the Fourth Proportional to 3,673.36, 5,512.78 and 2,031.32

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Solution

The fourth proportional to 3,673.36, 5,512.78 and 2,031.32 is: 3,048.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,673.36 : 5,512.78 = 2,031.32 : x
  2. Step 2: Convert to fraction form
    3,673.36/5,512.78 = 2,031.32/x
  3. Step 3: Cross multiply
    3,673.36x = 5,512.78 × 2,031.32
  4. Step 4: Simplify right side
    3,673.36x = 11,198,220.27
  5. Step 5: Solve for x
    x = 11,198,220.27/3,673.36
  6. Step 6: Final answer
    x = 3,048.50

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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.