Home / 5,447.86-8,157.11-3,462.75

Finding the Fourth Proportional to 5,447.86, 8,157.11 and 3,462.75

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Solution

The fourth proportional to 5,447.86, 8,157.11 and 3,462.75 is: 5,184.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,447.86 : 8,157.11 = 3,462.75 : x
  2. Step 2: Convert to fraction form
    5,447.86/8,157.11 = 3,462.75/x
  3. Step 3: Cross multiply
    5,447.86x = 8,157.11 × 3,462.75
  4. Step 4: Simplify right side
    5,447.86x = 28,246,015.34
  5. Step 5: Solve for x
    x = 28,246,015.34/5,447.86
  6. Step 6: Final answer
    x = 5,184.79

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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.