Home / 5,913.90-8,161.07-3,261.38

Finding the Fourth Proportional to 5,913.90, 8,161.07 and 3,261.38

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Solution

The fourth proportional to 5,913.90, 8,161.07 and 3,261.38 is: 4,500.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,913.90 : 8,161.07 = 3,261.38 : x
  2. Step 2: Convert to fraction form
    5,913.90/8,161.07 = 3,261.38/x
  3. Step 3: Cross multiply
    5,913.90x = 8,161.07 × 3,261.38
  4. Step 4: Simplify right side
    5,913.90x = 26,616,293.36
  5. Step 5: Solve for x
    x = 26,616,293.36/5,913.90
  6. Step 6: Final answer
    x = 4,500.63

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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.