Home / 5,625.48-8,442.80-3,983.60

Finding the Fourth Proportional to 5,625.48, 8,442.80 and 3,983.60

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Solution

The fourth proportional to 5,625.48, 8,442.80 and 3,983.60 is: 5,978.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,625.48 : 8,442.80 = 3,983.60 : x
  2. Step 2: Convert to fraction form
    5,625.48/8,442.80 = 3,983.60/x
  3. Step 3: Cross multiply
    5,625.48x = 8,442.80 × 3,983.60
  4. Step 4: Simplify right side
    5,625.48x = 33,632,738.08
  5. Step 5: Solve for x
    x = 33,632,738.08/5,625.48
  6. Step 6: Final answer
    x = 5,978.64

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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.