Home / 5,474.72-8,214.60-2,355.68

Finding the Fourth Proportional to 5,474.72, 8,214.60 and 2,355.68

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Solution

The fourth proportional to 5,474.72, 8,214.60 and 2,355.68 is: 3,534.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,474.72 : 8,214.60 = 2,355.68 : x
  2. Step 2: Convert to fraction form
    5,474.72/8,214.60 = 2,355.68/x
  3. Step 3: Cross multiply
    5,474.72x = 8,214.60 × 2,355.68
  4. Step 4: Simplify right side
    5,474.72x = 19,350,968.93
  5. Step 5: Solve for x
    x = 19,350,968.93/5,474.72
  6. Step 6: Final answer
    x = 3,534.60

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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.