Home / 3,415.24-4,712.56-1,922.95

Finding the Fourth Proportional to 3,415.24, 4,712.56 and 1,922.95

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Solution

The fourth proportional to 3,415.24, 4,712.56 and 1,922.95 is: 2,653.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,415.24 : 4,712.56 = 1,922.95 : x
  2. Step 2: Convert to fraction form
    3,415.24/4,712.56 = 1,922.95/x
  3. Step 3: Cross multiply
    3,415.24x = 4,712.56 × 1,922.95
  4. Step 4: Simplify right side
    3,415.24x = 9,062,017.25
  5. Step 5: Solve for x
    x = 9,062,017.25/3,415.24
  6. Step 6: Final answer
    x = 2,653.41

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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.