Home / 7,739.25-10,680.22-4,202.48

Finding the Fourth Proportional to 7,739.25, 10,680.22 and 4,202.48

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Solution

The fourth proportional to 7,739.25, 10,680.22 and 4,202.48 is: 5,799.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,739.25 : 10,680.22 = 4,202.48 : x
  2. Step 2: Convert to fraction form
    7,739.25/10,680.22 = 4,202.48/x
  3. Step 3: Cross multiply
    7,739.25x = 10,680.22 × 4,202.48
  4. Step 4: Simplify right side
    7,739.25x = 44,883,442.90
  5. Step 5: Solve for x
    x = 44,883,442.90/7,739.25
  6. Step 6: Final answer
    x = 5,799.46

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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.