Home / 5,388.12-8,083.09-3,047.22

Finding the Fourth Proportional to 5,388.12, 8,083.09 and 3,047.22

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Solution

The fourth proportional to 5,388.12, 8,083.09 and 3,047.22 is: 4,571.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388.12 : 8,083.09 = 3,047.22 : x
  2. Step 2: Convert to fraction form
    5,388.12/8,083.09 = 3,047.22/x
  3. Step 3: Cross multiply
    5,388.12x = 8,083.09 × 3,047.22
  4. Step 4: Simplify right side
    5,388.12x = 24,630,957.32
  5. Step 5: Solve for x
    x = 24,630,957.32/5,388.12
  6. Step 6: Final answer
    x = 4,571.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.