Home / 5,635.43-7,777.48-3,245.48

Finding the Fourth Proportional to 5,635.43, 7,777.48 and 3,245.48

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Solution

The fourth proportional to 5,635.43, 7,777.48 and 3,245.48 is: 4,479.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,635.43 : 7,777.48 = 3,245.48 : x
  2. Step 2: Convert to fraction form
    5,635.43/7,777.48 = 3,245.48/x
  3. Step 3: Cross multiply
    5,635.43x = 7,777.48 × 3,245.48
  4. Step 4: Simplify right side
    5,635.43x = 25,241,639.56
  5. Step 5: Solve for x
    x = 25,241,639.56/5,635.43
  6. Step 6: Final answer
    x = 4,479.10

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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.