Home / 3,168.67-4,372.47-1,842.36

Finding the Fourth Proportional to 3,168.67, 4,372.47 and 1,842.36

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Solution

The fourth proportional to 3,168.67, 4,372.47 and 1,842.36 is: 2,542.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168.67 : 4,372.47 = 1,842.36 : x
  2. Step 2: Convert to fraction form
    3,168.67/4,372.47 = 1,842.36/x
  3. Step 3: Cross multiply
    3,168.67x = 4,372.47 × 1,842.36
  4. Step 4: Simplify right side
    3,168.67x = 8,055,663.83
  5. Step 5: Solve for x
    x = 8,055,663.83/3,168.67
  6. Step 6: Final answer
    x = 2,542.29

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1.5x scale

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.