Home / 3,133.19-4,700.70-942.25

Finding the Fourth Proportional to 3,133.19, 4,700.70 and 942.25

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Solution

The fourth proportional to 3,133.19, 4,700.70 and 942.25 is: 1,413.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.19 : 4,700.70 = 942.25 : x
  2. Step 2: Convert to fraction form
    3,133.19/4,700.70 = 942.25/x
  3. Step 3: Cross multiply
    3,133.19x = 4,700.70 × 942.25
  4. Step 4: Simplify right side
    3,133.19x = 4,429,234.58
  5. Step 5: Solve for x
    x = 4,429,234.58/3,133.19
  6. Step 6: Final answer
    x = 1,413.65

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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.