Home / 4,518.50-6,776.60-1,231.42

Finding the Fourth Proportional to 4,518.50, 6,776.60 and 1,231.42

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Solution

The fourth proportional to 4,518.50, 6,776.60 and 1,231.42 is: 1,846.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,518.50 : 6,776.60 = 1,231.42 : x
  2. Step 2: Convert to fraction form
    4,518.50/6,776.60 = 1,231.42/x
  3. Step 3: Cross multiply
    4,518.50x = 6,776.60 × 1,231.42
  4. Step 4: Simplify right side
    4,518.50x = 8,344,840.77
  5. Step 5: Solve for x
    x = 8,344,840.77/4,518.50
  6. Step 6: Final answer
    x = 1,846.82

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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.