Home / 4,650.36-6,979.74-4,156.02

Finding the Fourth Proportional to 4,650.36, 6,979.74 and 4,156.02

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Solution

The fourth proportional to 4,650.36, 6,979.74 and 4,156.02 is: 6,237.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,650.36 : 6,979.74 = 4,156.02 : x
  2. Step 2: Convert to fraction form
    4,650.36/6,979.74 = 4,156.02/x
  3. Step 3: Cross multiply
    4,650.36x = 6,979.74 × 4,156.02
  4. Step 4: Simplify right side
    4,650.36x = 29,007,939.03
  5. Step 5: Solve for x
    x = 29,007,939.03/4,650.36
  6. Step 6: Final answer
    x = 6,237.78

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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.