Home / 4,072.66-6,108.45-1,151.20

Finding the Fourth Proportional to 4,072.66, 6,108.45 and 1,151.20

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Solution

The fourth proportional to 4,072.66, 6,108.45 and 1,151.20 is: 1,726.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,072.66 : 6,108.45 = 1,151.20 : x
  2. Step 2: Convert to fraction form
    4,072.66/6,108.45 = 1,151.20/x
  3. Step 3: Cross multiply
    4,072.66x = 6,108.45 × 1,151.20
  4. Step 4: Simplify right side
    4,072.66x = 7,032,047.64
  5. Step 5: Solve for x
    x = 7,032,047.64/4,072.66
  6. Step 6: Final answer
    x = 1,726.65

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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.