Home / 6,292.98-8,682.66-3,640.23

Finding the Fourth Proportional to 6,292.98, 8,682.66 and 3,640.23

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Solution

The fourth proportional to 6,292.98, 8,682.66 and 3,640.23 is: 5,022.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,292.98 : 8,682.66 = 3,640.23 : x
  2. Step 2: Convert to fraction form
    6,292.98/8,682.66 = 3,640.23/x
  3. Step 3: Cross multiply
    6,292.98x = 8,682.66 × 3,640.23
  4. Step 4: Simplify right side
    6,292.98x = 31,606,879.41
  5. Step 5: Solve for x
    x = 31,606,879.41/6,292.98
  6. Step 6: Final answer
    x = 5,022.56

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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.