Home / 3,080.44-4,251.04-1,683.16

Finding the Fourth Proportional to 3,080.44, 4,251.04 and 1,683.16

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Solution

The fourth proportional to 3,080.44, 4,251.04 and 1,683.16 is: 2,322.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,080.44 : 4,251.04 = 1,683.16 : x
  2. Step 2: Convert to fraction form
    3,080.44/4,251.04 = 1,683.16/x
  3. Step 3: Cross multiply
    3,080.44x = 4,251.04 × 1,683.16
  4. Step 4: Simplify right side
    3,080.44x = 7,155,180.49
  5. Step 5: Solve for x
    x = 7,155,180.49/3,080.44
  6. Step 6: Final answer
    x = 2,322.78

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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.