Home / 4,062.78-5,606.64-2,199.78

Finding the Fourth Proportional to 4,062.78, 5,606.64 and 2,199.78

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Solution

The fourth proportional to 4,062.78, 5,606.64 and 2,199.78 is: 3,035.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,062.78 : 5,606.64 = 2,199.78 : x
  2. Step 2: Convert to fraction form
    4,062.78/5,606.64 = 2,199.78/x
  3. Step 3: Cross multiply
    4,062.78x = 5,606.64 × 2,199.78
  4. Step 4: Simplify right side
    4,062.78x = 12,333,374.54
  5. Step 5: Solve for x
    x = 12,333,374.54/4,062.78
  6. Step 6: Final answer
    x = 3,035.70

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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.