Home / 2,993.56-4,130.68-1,667.16

Finding the Fourth Proportional to 2,993.56, 4,130.68 and 1,667.16

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Solution

The fourth proportional to 2,993.56, 4,130.68 and 1,667.16 is: 2,300.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,993.56 : 4,130.68 = 1,667.16 : x
  2. Step 2: Convert to fraction form
    2,993.56/4,130.68 = 1,667.16/x
  3. Step 3: Cross multiply
    2,993.56x = 4,130.68 × 1,667.16
  4. Step 4: Simplify right side
    2,993.56x = 6,886,504.47
  5. Step 5: Solve for x
    x = 6,886,504.47/2,993.56
  6. Step 6: Final answer
    x = 2,300.44

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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.