Home / 2,349.20-3,241.98-1,301.28

Finding the Fourth Proportional to 2,349.20, 3,241.98 and 1,301.28

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Solution

The fourth proportional to 2,349.20, 3,241.98 and 1,301.28 is: 1,795.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,349.20 : 3,241.98 = 1,301.28 : x
  2. Step 2: Convert to fraction form
    2,349.20/3,241.98 = 1,301.28/x
  3. Step 3: Cross multiply
    2,349.20x = 3,241.98 × 1,301.28
  4. Step 4: Simplify right side
    2,349.20x = 4,218,723.73
  5. Step 5: Solve for x
    x = 4,218,723.73/2,349.20
  6. Step 6: Final answer
    x = 1,795.81

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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.