Home / 2,409.94-3,612.48-1,112.32

Finding the Fourth Proportional to 2,409.94, 3,612.48 and 1,112.32

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Solution

The fourth proportional to 2,409.94, 3,612.48 and 1,112.32 is: 1,667.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,409.94 : 3,612.48 = 1,112.32 : x
  2. Step 2: Convert to fraction form
    2,409.94/3,612.48 = 1,112.32/x
  3. Step 3: Cross multiply
    2,409.94x = 3,612.48 × 1,112.32
  4. Step 4: Simplify right side
    2,409.94x = 4,018,233.75
  5. Step 5: Solve for x
    x = 4,018,233.75/2,409.94
  6. Step 6: Final answer
    x = 1,667.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.