Home / 2,186.85-3,017.30-1,627.49

Finding the Fourth Proportional to 2,186.85, 3,017.30 and 1,627.49

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Solution

The fourth proportional to 2,186.85, 3,017.30 and 1,627.49 is: 2,245.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186.85 : 3,017.30 = 1,627.49 : x
  2. Step 2: Convert to fraction form
    2,186.85/3,017.30 = 1,627.49/x
  3. Step 3: Cross multiply
    2,186.85x = 3,017.30 × 1,627.49
  4. Step 4: Simplify right side
    2,186.85x = 4,910,634.14
  5. Step 5: Solve for x
    x = 4,910,634.14/2,186.85
  6. Step 6: Final answer
    x = 2,245.53

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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.