Home / 3,116.93-4,675.89-1,169.28

Finding the Fourth Proportional to 3,116.93, 4,675.89 and 1,169.28

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Solution

The fourth proportional to 3,116.93, 4,675.89 and 1,169.28 is: 1,754.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116.93 : 4,675.89 = 1,169.28 : x
  2. Step 2: Convert to fraction form
    3,116.93/4,675.89 = 1,169.28/x
  3. Step 3: Cross multiply
    3,116.93x = 4,675.89 × 1,169.28
  4. Step 4: Simplify right side
    3,116.93x = 5,467,424.66
  5. Step 5: Solve for x
    x = 5,467,424.66/3,116.93
  6. Step 6: Final answer
    x = 1,754.11

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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.