Home / 2,448.39-3,379.37-1,401.06

Finding the Fourth Proportional to 2,448.39, 3,379.37 and 1,401.06

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Solution

The fourth proportional to 2,448.39, 3,379.37 and 1,401.06 is: 1,933.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,448.39 : 3,379.37 = 1,401.06 : x
  2. Step 2: Convert to fraction form
    2,448.39/3,379.37 = 1,401.06/x
  3. Step 3: Cross multiply
    2,448.39x = 3,379.37 × 1,401.06
  4. Step 4: Simplify right side
    2,448.39x = 4,734,693.13
  5. Step 5: Solve for x
    x = 4,734,693.13/2,448.39
  6. Step 6: Final answer
    x = 1,933.80

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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.