Home / 4,620.44-6,930.72-1,157.69

Finding the Fourth Proportional to 4,620.44, 6,930.72 and 1,157.69

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Solution

The fourth proportional to 4,620.44, 6,930.72 and 1,157.69 is: 1,736.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,620.44 : 6,930.72 = 1,157.69 : x
  2. Step 2: Convert to fraction form
    4,620.44/6,930.72 = 1,157.69/x
  3. Step 3: Cross multiply
    4,620.44x = 6,930.72 × 1,157.69
  4. Step 4: Simplify right side
    4,620.44x = 8,023,590.58
  5. Step 5: Solve for x
    x = 8,023,590.58/4,620.44
  6. Step 6: Final answer
    x = 1,736.54

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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.