Home / 3,039.93-4,194.51-1,977.88

Finding the Fourth Proportional to 3,039.93, 4,194.51 and 1,977.88

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Solution

The fourth proportional to 3,039.93, 4,194.51 and 1,977.88 is: 2,729.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,039.93 : 4,194.51 = 1,977.88 : x
  2. Step 2: Convert to fraction form
    3,039.93/4,194.51 = 1,977.88/x
  3. Step 3: Cross multiply
    3,039.93x = 4,194.51 × 1,977.88
  4. Step 4: Simplify right side
    3,039.93x = 8,296,237.44
  5. Step 5: Solve for x
    x = 8,296,237.44/3,039.93
  6. Step 6: Final answer
    x = 2,729.09

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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.