Home / 5,466.76-8,200.26-2,181.40

Finding the Fourth Proportional to 5,466.76, 8,200.26 and 2,181.40

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Solution

The fourth proportional to 5,466.76, 8,200.26 and 2,181.40 is: 3,272.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,466.76 : 8,200.26 = 2,181.40 : x
  2. Step 2: Convert to fraction form
    5,466.76/8,200.26 = 2,181.40/x
  3. Step 3: Cross multiply
    5,466.76x = 8,200.26 × 2,181.40
  4. Step 4: Simplify right side
    5,466.76x = 17,888,047.16
  5. Step 5: Solve for x
    x = 17,888,047.16/5,466.76
  6. Step 6: Final answer
    x = 3,272.15

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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.