Home / 3,355.37-4,628.80-2,361.20

Finding the Fourth Proportional to 3,355.37, 4,628.80 and 2,361.20

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Solution

The fourth proportional to 3,355.37, 4,628.80 and 2,361.20 is: 3,257.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,355.37 : 4,628.80 = 2,361.20 : x
  2. Step 2: Convert to fraction form
    3,355.37/4,628.80 = 2,361.20/x
  3. Step 3: Cross multiply
    3,355.37x = 4,628.80 × 2,361.20
  4. Step 4: Simplify right side
    3,355.37x = 10,929,493.51
  5. Step 5: Solve for x
    x = 10,929,493.51/3,355.37
  6. Step 6: Final answer
    x = 3,257.32

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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.