Home / 2,993.67-4,131.16-1,667.30

Finding the Fourth Proportional to 2,993.67, 4,131.16 and 1,667.30

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Solution

The fourth proportional to 2,993.67, 4,131.16 and 1,667.30 is: 2,300.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,993.67 : 4,131.16 = 1,667.30 : x
  2. Step 2: Convert to fraction form
    2,993.67/4,131.16 = 1,667.30/x
  3. Step 3: Cross multiply
    2,993.67x = 4,131.16 × 1,667.30
  4. Step 4: Simplify right side
    2,993.67x = 6,887,889.23
  5. Step 5: Solve for x
    x = 6,887,889.23/2,993.67
  6. Step 6: Final answer
    x = 2,300.82

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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.