Home / 4,480.20-6,686.42-4,363.56

Finding the Fourth Proportional to 4,480.20, 6,686.42 and 4,363.56

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Solution

The fourth proportional to 4,480.20, 6,686.42 and 4,363.56 is: 6,512.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,480.20 : 6,686.42 = 4,363.56 : x
  2. Step 2: Convert to fraction form
    4,480.20/6,686.42 = 4,363.56/x
  3. Step 3: Cross multiply
    4,480.20x = 6,686.42 × 4,363.56
  4. Step 4: Simplify right side
    4,480.20x = 29,176,573.04
  5. Step 5: Solve for x
    x = 29,176,573.04/4,480.20
  6. Step 6: Final answer
    x = 6,512.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.