Home / 4,729.20-6,524.39-2,840.88

Finding the Fourth Proportional to 4,729.20, 6,524.39 and 2,840.88

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Solution

The fourth proportional to 4,729.20, 6,524.39 and 2,840.88 is: 3,919.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,729.20 : 6,524.39 = 2,840.88 : x
  2. Step 2: Convert to fraction form
    4,729.20/6,524.39 = 2,840.88/x
  3. Step 3: Cross multiply
    4,729.20x = 6,524.39 × 2,840.88
  4. Step 4: Simplify right side
    4,729.20x = 18,534,994.86
  5. Step 5: Solve for x
    x = 18,534,994.86/4,729.20
  6. Step 6: Final answer
    x = 3,919.27

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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.