Home / 3,474.28-4,783.62-2,949.16

Finding the Fourth Proportional to 3,474.28, 4,783.62 and 2,949.16

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Solution

The fourth proportional to 3,474.28, 4,783.62 and 2,949.16 is: 4,060.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,474.28 : 4,783.62 = 2,949.16 : x
  2. Step 2: Convert to fraction form
    3,474.28/4,783.62 = 2,949.16/x
  3. Step 3: Cross multiply
    3,474.28x = 4,783.62 × 2,949.16
  4. Step 4: Simplify right side
    3,474.28x = 14,107,660.76
  5. Step 5: Solve for x
    x = 14,107,660.76/3,474.28
  6. Step 6: Final answer
    x = 4,060.60

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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.