Home / 4,223.20-6,334.80-2,276.32

Finding the Fourth Proportional to 4,223.20, 6,334.80 and 2,276.32

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Solution

The fourth proportional to 4,223.20, 6,334.80 and 2,276.32 is: 3,414.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,223.20 : 6,334.80 = 2,276.32 : x
  2. Step 2: Convert to fraction form
    4,223.20/6,334.80 = 2,276.32/x
  3. Step 3: Cross multiply
    4,223.20x = 6,334.80 × 2,276.32
  4. Step 4: Simplify right side
    4,223.20x = 14,420,031.94
  5. Step 5: Solve for x
    x = 14,420,031.94/4,223.20
  6. Step 6: Final answer
    x = 3,414.48

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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.