Home / 3,099.97-4,276.74-1,772.96

Finding the Fourth Proportional to 3,099.97, 4,276.74 and 1,772.96

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Solution

The fourth proportional to 3,099.97, 4,276.74 and 1,772.96 is: 2,445.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,099.97 : 4,276.74 = 1,772.96 : x
  2. Step 2: Convert to fraction form
    3,099.97/4,276.74 = 1,772.96/x
  3. Step 3: Cross multiply
    3,099.97x = 4,276.74 × 1,772.96
  4. Step 4: Simplify right side
    3,099.97x = 7,582,488.95
  5. Step 5: Solve for x
    x = 7,582,488.95/3,099.97
  6. Step 6: Final answer
    x = 2,445.99

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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.