Home / 6,208.86-8,571.40-4,789.36

Finding the Fourth Proportional to 6,208.86, 8,571.40 and 4,789.36

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Solution

The fourth proportional to 6,208.86, 8,571.40 and 4,789.36 is: 6,611.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,208.86 : 8,571.40 = 4,789.36 : x
  2. Step 2: Convert to fraction form
    6,208.86/8,571.40 = 4,789.36/x
  3. Step 3: Cross multiply
    6,208.86x = 8,571.40 × 4,789.36
  4. Step 4: Simplify right side
    6,208.86x = 41,051,480.92
  5. Step 5: Solve for x
    x = 41,051,480.92/6,208.86
  6. Step 6: Final answer
    x = 6,611.76

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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.