Home / 5,879.07-8,110.80-3,784.41

Finding the Fourth Proportional to 5,879.07, 8,110.80 and 3,784.41

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Solution

The fourth proportional to 5,879.07, 8,110.80 and 3,784.41 is: 5,220.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,879.07 : 8,110.80 = 3,784.41 : x
  2. Step 2: Convert to fraction form
    5,879.07/8,110.80 = 3,784.41/x
  3. Step 3: Cross multiply
    5,879.07x = 8,110.80 × 3,784.41
  4. Step 4: Simplify right side
    5,879.07x = 30,694,592.63
  5. Step 5: Solve for x
    x = 30,694,592.63/5,879.07
  6. Step 6: Final answer
    x = 5,220.99

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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.