Home / 6,293.54-8,684.94-3,422.21

Finding the Fourth Proportional to 6,293.54, 8,684.94 and 3,422.21

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Solution

The fourth proportional to 6,293.54, 8,684.94 and 3,422.21 is: 4,722.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,293.54 : 8,684.94 = 3,422.21 : x
  2. Step 2: Convert to fraction form
    6,293.54/8,684.94 = 3,422.21/x
  3. Step 3: Cross multiply
    6,293.54x = 8,684.94 × 3,422.21
  4. Step 4: Simplify right side
    6,293.54x = 29,721,653.65
  5. Step 5: Solve for x
    x = 29,721,653.65/6,293.54
  6. Step 6: Final answer
    x = 4,722.57

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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.