Home / 3,166.89-4,370.54-1,822.90

Finding the Fourth Proportional to 3,166.89, 4,370.54 and 1,822.90

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Solution

The fourth proportional to 3,166.89, 4,370.54 and 1,822.90 is: 2,515.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,166.89 : 4,370.54 = 1,822.90 : x
  2. Step 2: Convert to fraction form
    3,166.89/4,370.54 = 1,822.90/x
  3. Step 3: Cross multiply
    3,166.89x = 4,370.54 × 1,822.90
  4. Step 4: Simplify right side
    3,166.89x = 7,967,057.37
  5. Step 5: Solve for x
    x = 7,967,057.37/3,166.89
  6. Step 6: Final answer
    x = 2,515.74

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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.