Home / 7,696.82-10,621.58-4,160.03

Finding the Fourth Proportional to 7,696.82, 10,621.58 and 4,160.03

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Solution

The fourth proportional to 7,696.82, 10,621.58 and 4,160.03 is: 5,740.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,696.82 : 10,621.58 = 4,160.03 : x
  2. Step 2: Convert to fraction form
    7,696.82/10,621.58 = 4,160.03/x
  3. Step 3: Cross multiply
    7,696.82x = 10,621.58 × 4,160.03
  4. Step 4: Simplify right side
    7,696.82x = 44,186,040.94
  5. Step 5: Solve for x
    x = 44,186,040.94/7,696.82
  6. Step 6: Final answer
    x = 5,740.82

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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.