Home / 5,879.15-8,113.67-3,361.37

Finding the Fourth Proportional to 5,879.15, 8,113.67 and 3,361.37

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Solution

The fourth proportional to 5,879.15, 8,113.67 and 3,361.37 is: 4,638.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,879.15 : 8,113.67 = 3,361.37 : x
  2. Step 2: Convert to fraction form
    5,879.15/8,113.67 = 3,361.37/x
  3. Step 3: Cross multiply
    5,879.15x = 8,113.67 × 3,361.37
  4. Step 4: Simplify right side
    5,879.15x = 27,273,047.80
  5. Step 5: Solve for x
    x = 27,273,047.80/5,879.15
  6. Step 6: Final answer
    x = 4,638.94

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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.