Home / 3,254.96-4,491.56-1,928.44

Finding the Fourth Proportional to 3,254.96, 4,491.56 and 1,928.44

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Solution

The fourth proportional to 3,254.96, 4,491.56 and 1,928.44 is: 2,661.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,254.96 : 4,491.56 = 1,928.44 : x
  2. Step 2: Convert to fraction form
    3,254.96/4,491.56 = 1,928.44/x
  3. Step 3: Cross multiply
    3,254.96x = 4,491.56 × 1,928.44
  4. Step 4: Simplify right side
    3,254.96x = 8,661,703.97
  5. Step 5: Solve for x
    x = 8,661,703.97/3,254.96
  6. Step 6: Final answer
    x = 2,661.08

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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.