Home / 4,942.32-7,406.04-2,166.36

Finding the Fourth Proportional to 4,942.32, 7,406.04 and 2,166.36

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Solution

The fourth proportional to 4,942.32, 7,406.04 and 2,166.36 is: 3,246.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,942.32 : 7,406.04 = 2,166.36 : x
  2. Step 2: Convert to fraction form
    4,942.32/7,406.04 = 2,166.36/x
  3. Step 3: Cross multiply
    4,942.32x = 7,406.04 × 2,166.36
  4. Step 4: Simplify right side
    4,942.32x = 16,044,148.81
  5. Step 5: Solve for x
    x = 16,044,148.81/4,942.32
  6. Step 6: Final answer
    x = 3,246.28

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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.