Home / 2,193.61-3,027.45-1,249.63

Finding the Fourth Proportional to 2,193.61, 3,027.45 and 1,249.63

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Solution

The fourth proportional to 2,193.61, 3,027.45 and 1,249.63 is: 1,724.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,193.61 : 3,027.45 = 1,249.63 : x
  2. Step 2: Convert to fraction form
    2,193.61/3,027.45 = 1,249.63/x
  3. Step 3: Cross multiply
    2,193.61x = 3,027.45 × 1,249.63
  4. Step 4: Simplify right side
    2,193.61x = 3,783,192.34
  5. Step 5: Solve for x
    x = 3,783,192.34/2,193.61
  6. Step 6: Final answer
    x = 1,724.64

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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.