Home / 5,911.53-8,157.80-3,222.77

Finding the Fourth Proportional to 5,911.53, 8,157.80 and 3,222.77

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Solution

The fourth proportional to 5,911.53, 8,157.80 and 3,222.77 is: 4,447.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,911.53 : 8,157.80 = 3,222.77 : x
  2. Step 2: Convert to fraction form
    5,911.53/8,157.80 = 3,222.77/x
  3. Step 3: Cross multiply
    5,911.53x = 8,157.80 × 3,222.77
  4. Step 4: Simplify right side
    5,911.53x = 26,290,713.11
  5. Step 5: Solve for x
    x = 26,290,713.11/5,911.53
  6. Step 6: Final answer
    x = 4,447.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.