Home / 3,245.42-4,480.40-2,600.34

Finding the Fourth Proportional to 3,245.42, 4,480.40 and 2,600.34

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Solution

The fourth proportional to 3,245.42, 4,480.40 and 2,600.34 is: 3,589.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,245.42 : 4,480.40 = 2,600.34 : x
  2. Step 2: Convert to fraction form
    3,245.42/4,480.40 = 2,600.34/x
  3. Step 3: Cross multiply
    3,245.42x = 4,480.40 × 2,600.34
  4. Step 4: Simplify right side
    3,245.42x = 11,650,552.14
  5. Step 5: Solve for x
    x = 11,650,552.14/3,245.42
  6. Step 6: Final answer
    x = 3,589.84

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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.