Home / 2,249.16-3,372.63-788.10

Finding the Fourth Proportional to 2,249.16, 3,372.63 and 788.10

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Solution

The fourth proportional to 2,249.16, 3,372.63 and 788.10 is: 1,181.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,249.16 : 3,372.63 = 788.10 : x
  2. Step 2: Convert to fraction form
    2,249.16/3,372.63 = 788.10/x
  3. Step 3: Cross multiply
    2,249.16x = 3,372.63 × 788.10
  4. Step 4: Simplify right side
    2,249.16x = 2,657,969.70
  5. Step 5: Solve for x
    x = 2,657,969.70/2,249.16
  6. Step 6: Final answer
    x = 1,181.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.