Home / 3,267.32-4,901.16-2,120.36

Finding the Fourth Proportional to 3,267.32, 4,901.16 and 2,120.36

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Solution

The fourth proportional to 3,267.32, 4,901.16 and 2,120.36 is: 3,180.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,267.32 : 4,901.16 = 2,120.36 : x
  2. Step 2: Convert to fraction form
    3,267.32/4,901.16 = 2,120.36/x
  3. Step 3: Cross multiply
    3,267.32x = 4,901.16 × 2,120.36
  4. Step 4: Simplify right side
    3,267.32x = 10,392,223.62
  5. Step 5: Solve for x
    x = 10,392,223.62/3,267.32
  6. Step 6: Final answer
    x = 3,180.66

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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.