Home / 5,556.78-8,325.70-4,855.73

Finding the Fourth Proportional to 5,556.78, 8,325.70 and 4,855.73

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Solution

The fourth proportional to 5,556.78, 8,325.70 and 4,855.73 is: 7,275.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,556.78 : 8,325.70 = 4,855.73 : x
  2. Step 2: Convert to fraction form
    5,556.78/8,325.70 = 4,855.73/x
  3. Step 3: Cross multiply
    5,556.78x = 8,325.70 × 4,855.73
  4. Step 4: Simplify right side
    5,556.78x = 40,427,297.49
  5. Step 5: Solve for x
    x = 40,427,297.49/5,556.78
  6. Step 6: Final answer
    x = 7,275.31

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1.5x scale

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.