Home / 4,078.19-5,627.71-2,505.98

Finding the Fourth Proportional to 4,078.19, 5,627.71 and 2,505.98

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Solution

The fourth proportional to 4,078.19, 5,627.71 and 2,505.98 is: 3,458.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.19 : 5,627.71 = 2,505.98 : x
  2. Step 2: Convert to fraction form
    4,078.19/5,627.71 = 2,505.98/x
  3. Step 3: Cross multiply
    4,078.19x = 5,627.71 × 2,505.98
  4. Step 4: Simplify right side
    4,078.19x = 14,102,945.91
  5. Step 5: Solve for x
    x = 14,102,945.91/4,078.19
  6. Step 6: Final answer
    x = 3,458.14

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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.