Home / 2,351.86-3,244.09-1,513.66

Finding the Fourth Proportional to 2,351.86, 3,244.09 and 1,513.66

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Solution

The fourth proportional to 2,351.86, 3,244.09 and 1,513.66 is: 2,087.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,351.86 : 3,244.09 = 1,513.66 : x
  2. Step 2: Convert to fraction form
    2,351.86/3,244.09 = 1,513.66/x
  3. Step 3: Cross multiply
    2,351.86x = 3,244.09 × 1,513.66
  4. Step 4: Simplify right side
    2,351.86x = 4,910,449.27
  5. Step 5: Solve for x
    x = 4,910,449.27/2,351.86
  6. Step 6: Final answer
    x = 2,087.90

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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.