Home / 6,820.92-9,409.26-4,168.44

Finding the Fourth Proportional to 6,820.92, 9,409.26 and 4,168.44

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Solution

The fourth proportional to 6,820.92, 9,409.26 and 4,168.44 is: 5,750.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,820.92 : 9,409.26 = 4,168.44 : x
  2. Step 2: Convert to fraction form
    6,820.92/9,409.26 = 4,168.44/x
  3. Step 3: Cross multiply
    6,820.92x = 9,409.26 × 4,168.44
  4. Step 4: Simplify right side
    6,820.92x = 39,221,935.75
  5. Step 5: Solve for x
    x = 39,221,935.75/6,820.92
  6. Step 6: Final answer
    x = 5,750.24

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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.