Home / 6,321.26-8,722.40-3,668.18

Finding the Fourth Proportional to 6,321.26, 8,722.40 and 3,668.18

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Solution

The fourth proportional to 6,321.26, 8,722.40 and 3,668.18 is: 5,061.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,321.26 : 8,722.40 = 3,668.18 : x
  2. Step 2: Convert to fraction form
    6,321.26/8,722.40 = 3,668.18/x
  3. Step 3: Cross multiply
    6,321.26x = 8,722.40 × 3,668.18
  4. Step 4: Simplify right side
    6,321.26x = 31,995,333.23
  5. Step 5: Solve for x
    x = 31,995,333.23/6,321.26
  6. Step 6: Final answer
    x = 5,061.54

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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.