Home / 2,409.54-3,325.20-1,361.62

Finding the Fourth Proportional to 2,409.54, 3,325.20 and 1,361.62

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Solution

The fourth proportional to 2,409.54, 3,325.20 and 1,361.62 is: 1,879.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,409.54 : 3,325.20 = 1,361.62 : x
  2. Step 2: Convert to fraction form
    2,409.54/3,325.20 = 1,361.62/x
  3. Step 3: Cross multiply
    2,409.54x = 3,325.20 × 1,361.62
  4. Step 4: Simplify right side
    2,409.54x = 4,527,658.82
  5. Step 5: Solve for x
    x = 4,527,658.82/2,409.54
  6. Step 6: Final answer
    x = 1,879.06

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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.