Home / 5,166.58-7,730.73-3,087.71

Finding the Fourth Proportional to 5,166.58, 7,730.73 and 3,087.71

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Solution

The fourth proportional to 5,166.58, 7,730.73 and 3,087.71 is: 4,620.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,166.58 : 7,730.73 = 3,087.71 : x
  2. Step 2: Convert to fraction form
    5,166.58/7,730.73 = 3,087.71/x
  3. Step 3: Cross multiply
    5,166.58x = 7,730.73 × 3,087.71
  4. Step 4: Simplify right side
    5,166.58x = 23,870,271.66
  5. Step 5: Solve for x
    x = 23,870,271.66/5,166.58
  6. Step 6: Final answer
    x = 4,620.13

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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.