Home / 7,074.08-10,611.48-2,691.88

Finding the Fourth Proportional to 7,074.08, 10,611.48 and 2,691.88

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Solution

The fourth proportional to 7,074.08, 10,611.48 and 2,691.88 is: 4,037.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,074.08 : 10,611.48 = 2,691.88 : x
  2. Step 2: Convert to fraction form
    7,074.08/10,611.48 = 2,691.88/x
  3. Step 3: Cross multiply
    7,074.08x = 10,611.48 × 2,691.88
  4. Step 4: Simplify right side
    7,074.08x = 28,564,830.78
  5. Step 5: Solve for x
    x = 28,564,830.78/7,074.08
  6. Step 6: Final answer
    x = 4,037.96

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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.