Home / 3,474.02-4,794.18-1,981.88

Finding the Fourth Proportional to 3,474.02, 4,794.18 and 1,981.88

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Solution

The fourth proportional to 3,474.02, 4,794.18 and 1,981.88 is: 2,735.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,474.02 : 4,794.18 = 1,981.88 : x
  2. Step 2: Convert to fraction form
    3,474.02/4,794.18 = 1,981.88/x
  3. Step 3: Cross multiply
    3,474.02x = 4,794.18 × 1,981.88
  4. Step 4: Simplify right side
    3,474.02x = 9,501,489.46
  5. Step 5: Solve for x
    x = 9,501,489.46/3,474.02
  6. Step 6: Final answer
    x = 2,735.01

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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.