Home / 3,420.25-4,721.16-2,023

Finding the Fourth Proportional to 3,420.25, 4,721.16 and 2,023

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Solution

The fourth proportional to 3,420.25, 4,721.16 and 2,023 is: 2,792.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420.25 : 4,721.16 = 2,023 : x
  2. Step 2: Convert to fraction form
    3,420.25/4,721.16 = 2,023/x
  3. Step 3: Cross multiply
    3,420.25x = 4,721.16 × 2,023
  4. Step 4: Simplify right side
    3,420.25x = 9,550,906.68
  5. Step 5: Solve for x
    x = 9,550,906.68/3,420.25
  6. Step 6: Final answer
    x = 2,792.46

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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.