Home / 6,081.98-8,400.40-4,321.22

Finding the Fourth Proportional to 6,081.98, 8,400.40 and 4,321.22

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Solution

The fourth proportional to 6,081.98, 8,400.40 and 4,321.22 is: 5,968.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,081.98 : 8,400.40 = 4,321.22 : x
  2. Step 2: Convert to fraction form
    6,081.98/8,400.40 = 4,321.22/x
  3. Step 3: Cross multiply
    6,081.98x = 8,400.40 × 4,321.22
  4. Step 4: Simplify right side
    6,081.98x = 36,299,976.49
  5. Step 5: Solve for x
    x = 36,299,976.49/6,081.98
  6. Step 6: Final answer
    x = 5,968.45

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Double scale
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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.