Home / 4,855.84-7,271.96-2,769.54

Finding the Fourth Proportional to 4,855.84, 7,271.96 and 2,769.54

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Solution

The fourth proportional to 4,855.84, 7,271.96 and 2,769.54 is: 4,147.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,855.84 : 7,271.96 = 2,769.54 : x
  2. Step 2: Convert to fraction form
    4,855.84/7,271.96 = 2,769.54/x
  3. Step 3: Cross multiply
    4,855.84x = 7,271.96 × 2,769.54
  4. Step 4: Simplify right side
    4,855.84x = 20,139,984.10
  5. Step 5: Solve for x
    x = 20,139,984.10/4,855.84
  6. Step 6: Final answer
    x = 4,147.58

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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.