Home / 5,875.20-8,107.94-3,222.60

Finding the Fourth Proportional to 5,875.20, 8,107.94 and 3,222.60

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Solution

The fourth proportional to 5,875.20, 8,107.94 and 3,222.60 is: 4,447.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,875.20 : 8,107.94 = 3,222.60 : x
  2. Step 2: Convert to fraction form
    5,875.20/8,107.94 = 3,222.60/x
  3. Step 3: Cross multiply
    5,875.20x = 8,107.94 × 3,222.60
  4. Step 4: Simplify right side
    5,875.20x = 26,128,647.44
  5. Step 5: Solve for x
    x = 26,128,647.44/5,875.20
  6. Step 6: Final answer
    x = 4,447.28

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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.