Home / 2,422.41-3,342.65-1,360.03

Finding the Fourth Proportional to 2,422.41, 3,342.65 and 1,360.03

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Solution

The fourth proportional to 2,422.41, 3,342.65 and 1,360.03 is: 1,876.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,422.41 : 3,342.65 = 1,360.03 : x
  2. Step 2: Convert to fraction form
    2,422.41/3,342.65 = 1,360.03/x
  3. Step 3: Cross multiply
    2,422.41x = 3,342.65 × 1,360.03
  4. Step 4: Simplify right side
    2,422.41x = 4,546,104.28
  5. Step 5: Solve for x
    x = 4,546,104.28/2,422.41
  6. Step 6: Final answer
    x = 1,876.69

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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.