Home / 3,228.15-4,842.13-1,776.43

Finding the Fourth Proportional to 3,228.15, 4,842.13 and 1,776.43

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Solution

The fourth proportional to 3,228.15, 4,842.13 and 1,776.43 is: 2,664.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,228.15 : 4,842.13 = 1,776.43 : x
  2. Step 2: Convert to fraction form
    3,228.15/4,842.13 = 1,776.43/x
  3. Step 3: Cross multiply
    3,228.15x = 4,842.13 × 1,776.43
  4. Step 4: Simplify right side
    3,228.15x = 8,601,705.00
  5. Step 5: Solve for x
    x = 8,601,705.00/3,228.15
  6. Step 6: Final answer
    x = 2,664.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.