Home / 3,098.74-4,276.19-1,772.37

Finding the Fourth Proportional to 3,098.74, 4,276.19 and 1,772.37

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Solution

The fourth proportional to 3,098.74, 4,276.19 and 1,772.37 is: 2,445.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,098.74 : 4,276.19 = 1,772.37 : x
  2. Step 2: Convert to fraction form
    3,098.74/4,276.19 = 1,772.37/x
  3. Step 3: Cross multiply
    3,098.74x = 4,276.19 × 1,772.37
  4. Step 4: Simplify right side
    3,098.74x = 7,578,990.87
  5. Step 5: Solve for x
    x = 7,578,990.87/3,098.74
  6. Step 6: Final answer
    x = 2,445.83

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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.