Home / 5,466.50-8,199.78-1,362.50

Finding the Fourth Proportional to 5,466.50, 8,199.78 and 1,362.50

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Solution

The fourth proportional to 5,466.50, 8,199.78 and 1,362.50 is: 2,043.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,466.50 : 8,199.78 = 1,362.50 : x
  2. Step 2: Convert to fraction form
    5,466.50/8,199.78 = 1,362.50/x
  3. Step 3: Cross multiply
    5,466.50x = 8,199.78 × 1,362.50
  4. Step 4: Simplify right side
    5,466.50x = 11,172,200.25
  5. Step 5: Solve for x
    x = 11,172,200.25/5,466.50
  6. Step 6: Final answer
    x = 2,043.76

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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.