Home / 4,819.12-7,229.16-1,740.88

Finding the Fourth Proportional to 4,819.12, 7,229.16 and 1,740.88

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Solution

The fourth proportional to 4,819.12, 7,229.16 and 1,740.88 is: 2,611.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,819.12 : 7,229.16 = 1,740.88 : x
  2. Step 2: Convert to fraction form
    4,819.12/7,229.16 = 1,740.88/x
  3. Step 3: Cross multiply
    4,819.12x = 7,229.16 × 1,740.88
  4. Step 4: Simplify right side
    4,819.12x = 12,585,100.06
  5. Step 5: Solve for x
    x = 12,585,100.06/4,819.12
  6. Step 6: Final answer
    x = 2,611.49

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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.