Home / 5,136.62-7,701.55-1,847.95

Finding the Fourth Proportional to 5,136.62, 7,701.55 and 1,847.95

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Solution

The fourth proportional to 5,136.62, 7,701.55 and 1,847.95 is: 2,770.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,136.62 : 7,701.55 = 1,847.95 : x
  2. Step 2: Convert to fraction form
    5,136.62/7,701.55 = 1,847.95/x
  3. Step 3: Cross multiply
    5,136.62x = 7,701.55 × 1,847.95
  4. Step 4: Simplify right side
    5,136.62x = 14,232,055.45
  5. Step 5: Solve for x
    x = 14,232,055.45/5,136.62
  6. Step 6: Final answer
    x = 2,770.71

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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.