Home / 2,331.25-3,217.14-1,283.33

Finding the Fourth Proportional to 2,331.25, 3,217.14 and 1,283.33

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Solution

The fourth proportional to 2,331.25, 3,217.14 and 1,283.33 is: 1,771.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,331.25 : 3,217.14 = 1,283.33 : x
  2. Step 2: Convert to fraction form
    2,331.25/3,217.14 = 1,283.33/x
  3. Step 3: Cross multiply
    2,331.25x = 3,217.14 × 1,283.33
  4. Step 4: Simplify right side
    2,331.25x = 4,128,645.86
  5. Step 5: Solve for x
    x = 4,128,645.86/2,331.25
  6. Step 6: Final answer
    x = 1,771.00

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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.