Home / 1,611.12-2,417.04-1,183.44

Finding the Fourth Proportional to 1,611.12, 2,417.04 and 1,183.44

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Solution

The fourth proportional to 1,611.12, 2,417.04 and 1,183.44 is: 1,775.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,611.12 : 2,417.04 = 1,183.44 : x
  2. Step 2: Convert to fraction form
    1,611.12/2,417.04 = 1,183.44/x
  3. Step 3: Cross multiply
    1,611.12x = 2,417.04 × 1,183.44
  4. Step 4: Simplify right side
    1,611.12x = 2,860,421.82
  5. Step 5: Solve for x
    x = 2,860,421.82/1,611.12
  6. Step 6: Final answer
    x = 1,775.42

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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.