Home / 2,449.07-3,379.65-1,401.06

Finding the Fourth Proportional to 2,449.07, 3,379.65 and 1,401.06

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Solution

The fourth proportional to 2,449.07, 3,379.65 and 1,401.06 is: 1,933.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,449.07 : 3,379.65 = 1,401.06 : x
  2. Step 2: Convert to fraction form
    2,449.07/3,379.65 = 1,401.06/x
  3. Step 3: Cross multiply
    2,449.07x = 3,379.65 × 1,401.06
  4. Step 4: Simplify right side
    2,449.07x = 4,735,104.38
  5. Step 5: Solve for x
    x = 4,735,104.38/2,449.07
  6. Step 6: Final answer
    x = 1,933.43

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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.