Home / 3,188.94-4,783.38-1,727.76

Finding the Fourth Proportional to 3,188.94, 4,783.38 and 1,727.76

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Solution

The fourth proportional to 3,188.94, 4,783.38 and 1,727.76 is: 2,591.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188.94 : 4,783.38 = 1,727.76 : x
  2. Step 2: Convert to fraction form
    3,188.94/4,783.38 = 1,727.76/x
  3. Step 3: Cross multiply
    3,188.94x = 4,783.38 × 1,727.76
  4. Step 4: Simplify right side
    3,188.94x = 8,264,532.63
  5. Step 5: Solve for x
    x = 8,264,532.63/3,188.94
  6. Step 6: Final answer
    x = 2,591.62

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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.