Home / 2,334.01-3,221-1,286.08

Finding the Fourth Proportional to 2,334.01, 3,221 and 1,286.08

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Solution

The fourth proportional to 2,334.01, 3,221 and 1,286.08 is: 1,774.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,334.01 : 3,221 = 1,286.08 : x
  2. Step 2: Convert to fraction form
    2,334.01/3,221 = 1,286.08/x
  3. Step 3: Cross multiply
    2,334.01x = 3,221 × 1,286.08
  4. Step 4: Simplify right side
    2,334.01x = 4,142,463.68
  5. Step 5: Solve for x
    x = 4,142,463.68/2,334.01
  6. Step 6: Final answer
    x = 1,774.83

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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.