Home / 2,928.67-4,392.99-1,174.46

Finding the Fourth Proportional to 2,928.67, 4,392.99 and 1,174.46

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Solution

The fourth proportional to 2,928.67, 4,392.99 and 1,174.46 is: 1,761.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,928.67 : 4,392.99 = 1,174.46 : x
  2. Step 2: Convert to fraction form
    2,928.67/4,392.99 = 1,174.46/x
  3. Step 3: Cross multiply
    2,928.67x = 4,392.99 × 1,174.46
  4. Step 4: Simplify right side
    2,928.67x = 5,159,369.07
  5. Step 5: Solve for x
    x = 5,159,369.07/2,928.67
  6. Step 6: Final answer
    x = 1,761.68

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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.