Home / 2,403.14-3,317.16-1,408.74

Finding the Fourth Proportional to 2,403.14, 3,317.16 and 1,408.74

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Solution

The fourth proportional to 2,403.14, 3,317.16 and 1,408.74 is: 1,944.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,403.14 : 3,317.16 = 1,408.74 : x
  2. Step 2: Convert to fraction form
    2,403.14/3,317.16 = 1,408.74/x
  3. Step 3: Cross multiply
    2,403.14x = 3,317.16 × 1,408.74
  4. Step 4: Simplify right side
    2,403.14x = 4,673,015.98
  5. Step 5: Solve for x
    x = 4,673,015.98/2,403.14
  6. Step 6: Final answer
    x = 1,944.55

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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.