Home / 3,080.46-4,251.15-1,683.22

Finding the Fourth Proportional to 3,080.46, 4,251.15 and 1,683.22

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Solution

The fourth proportional to 3,080.46, 4,251.15 and 1,683.22 is: 2,322.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,080.46 : 4,251.15 = 1,683.22 : x
  2. Step 2: Convert to fraction form
    3,080.46/4,251.15 = 1,683.22/x
  3. Step 3: Cross multiply
    3,080.46x = 4,251.15 × 1,683.22
  4. Step 4: Simplify right side
    3,080.46x = 7,155,620.70
  5. Step 5: Solve for x
    x = 7,155,620.70/3,080.46
  6. Step 6: Final answer
    x = 2,322.91

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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.