Home / 5,481.04-8,219.40-3,174.16

Finding the Fourth Proportional to 5,481.04, 8,219.40 and 3,174.16

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Solution

The fourth proportional to 5,481.04, 8,219.40 and 3,174.16 is: 4,759.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,481.04 : 8,219.40 = 3,174.16 : x
  2. Step 2: Convert to fraction form
    5,481.04/8,219.40 = 3,174.16/x
  3. Step 3: Cross multiply
    5,481.04x = 8,219.40 × 3,174.16
  4. Step 4: Simplify right side
    5,481.04x = 26,089,690.70
  5. Step 5: Solve for x
    x = 26,089,690.70/5,481.04
  6. Step 6: Final answer
    x = 4,759.99

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1.5x scale

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.