Home / 2,372.64-3,273.60-1,440.48

Finding the Fourth Proportional to 2,372.64, 3,273.60 and 1,440.48

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Solution

The fourth proportional to 2,372.64, 3,273.60 and 1,440.48 is: 1,987.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,372.64 : 3,273.60 = 1,440.48 : x
  2. Step 2: Convert to fraction form
    2,372.64/3,273.60 = 1,440.48/x
  3. Step 3: Cross multiply
    2,372.64x = 3,273.60 × 1,440.48
  4. Step 4: Simplify right side
    2,372.64x = 4,715,555.33
  5. Step 5: Solve for x
    x = 4,715,555.33/2,372.64
  6. Step 6: Final answer
    x = 1,987.47

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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.