Home / 3,168.29-4,371.15-1,840.89

Finding the Fourth Proportional to 3,168.29, 4,371.15 and 1,840.89

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Solution

The fourth proportional to 3,168.29, 4,371.15 and 1,840.89 is: 2,539.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168.29 : 4,371.15 = 1,840.89 : x
  2. Step 2: Convert to fraction form
    3,168.29/4,371.15 = 1,840.89/x
  3. Step 3: Cross multiply
    3,168.29x = 4,371.15 × 1,840.89
  4. Step 4: Simplify right side
    3,168.29x = 8,046,806.32
  5. Step 5: Solve for x
    x = 8,046,806.32/3,168.29
  6. Step 6: Final answer
    x = 2,539.80

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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.