Home / 3,028.86-4,178.61-1,847.88

Finding the Fourth Proportional to 3,028.86, 4,178.61 and 1,847.88

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Solution

The fourth proportional to 3,028.86, 4,178.61 and 1,847.88 is: 2,549.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,028.86 : 4,178.61 = 1,847.88 : x
  2. Step 2: Convert to fraction form
    3,028.86/4,178.61 = 1,847.88/x
  3. Step 3: Cross multiply
    3,028.86x = 4,178.61 × 1,847.88
  4. Step 4: Simplify right side
    3,028.86x = 7,721,569.85
  5. Step 5: Solve for x
    x = 7,721,569.85/3,028.86
  6. Step 6: Final answer
    x = 2,549.33

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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.