Home / 2,150.75-3,242.75-1,723.07

Finding the Fourth Proportional to 2,150.75, 3,242.75 and 1,723.07

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Solution

The fourth proportional to 2,150.75, 3,242.75 and 1,723.07 is: 2,597.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,150.75 : 3,242.75 = 1,723.07 : x
  2. Step 2: Convert to fraction form
    2,150.75/3,242.75 = 1,723.07/x
  3. Step 3: Cross multiply
    2,150.75x = 3,242.75 × 1,723.07
  4. Step 4: Simplify right side
    2,150.75x = 5,587,485.24
  5. Step 5: Solve for x
    x = 5,587,485.24/2,150.75
  6. Step 6: Final answer
    x = 2,597.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.