Home / 2,409.16-3,324.54-1,361.32

Finding the Fourth Proportional to 2,409.16, 3,324.54 and 1,361.32

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Solution

The fourth proportional to 2,409.16, 3,324.54 and 1,361.32 is: 1,878.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,409.16 : 3,324.54 = 1,361.32 : x
  2. Step 2: Convert to fraction form
    2,409.16/3,324.54 = 1,361.32/x
  3. Step 3: Cross multiply
    2,409.16x = 3,324.54 × 1,361.32
  4. Step 4: Simplify right side
    2,409.16x = 4,525,762.79
  5. Step 5: Solve for x
    x = 4,525,762.79/2,409.16
  6. Step 6: Final answer
    x = 1,878.56

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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.