Home / 2,993.79-4,131.58-1,667.47

Finding the Fourth Proportional to 2,993.79, 4,131.58 and 1,667.47

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Solution

The fourth proportional to 2,993.79, 4,131.58 and 1,667.47 is: 2,301.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,993.79 : 4,131.58 = 1,667.47 : x
  2. Step 2: Convert to fraction form
    2,993.79/4,131.58 = 1,667.47/x
  3. Step 3: Cross multiply
    2,993.79x = 4,131.58 × 1,667.47
  4. Step 4: Simplify right side
    2,993.79x = 6,889,285.70
  5. Step 5: Solve for x
    x = 6,889,285.70/2,993.79
  6. Step 6: Final answer
    x = 2,301.19

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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.