Home / 5,913.10-8,161.05-3,556.54

Finding the Fourth Proportional to 5,913.10, 8,161.05 and 3,556.54

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Solution

The fourth proportional to 5,913.10, 8,161.05 and 3,556.54 is: 4,908.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,913.10 : 8,161.05 = 3,556.54 : x
  2. Step 2: Convert to fraction form
    5,913.10/8,161.05 = 3,556.54/x
  3. Step 3: Cross multiply
    5,913.10x = 8,161.05 × 3,556.54
  4. Step 4: Simplify right side
    5,913.10x = 29,025,100.77
  5. Step 5: Solve for x
    x = 29,025,100.77/5,913.10
  6. Step 6: Final answer
    x = 4,908.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.