Home / 2,722.31-4,083.71-848.22

Finding the Fourth Proportional to 2,722.31, 4,083.71 and 848.22

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Solution

The fourth proportional to 2,722.31, 4,083.71 and 848.22 is: 1,272.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,722.31 : 4,083.71 = 848.22 : x
  2. Step 2: Convert to fraction form
    2,722.31/4,083.71 = 848.22/x
  3. Step 3: Cross multiply
    2,722.31x = 4,083.71 × 848.22
  4. Step 4: Simplify right side
    2,722.31x = 3,463,880.26
  5. Step 5: Solve for x
    x = 3,463,880.26/2,722.31
  6. Step 6: Final answer
    x = 1,272.41

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1.5x scale

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.