Home / 3,112.16-4,667.00-1,551.60

Finding the Fourth Proportional to 3,112.16, 4,667.00 and 1,551.60

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Solution

The fourth proportional to 3,112.16, 4,667.00 and 1,551.60 is: 2,326.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112.16 : 4,667.00 = 1,551.60 : x
  2. Step 2: Convert to fraction form
    3,112.16/4,667.00 = 1,551.60/x
  3. Step 3: Cross multiply
    3,112.16x = 4,667.00 × 1,551.60
  4. Step 4: Simplify right side
    3,112.16x = 7,241,309.44
  5. Step 5: Solve for x
    x = 7,241,309.44/3,112.16
  6. Step 6: Final answer
    x = 2,326.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.