Home / 5,222.94-7,830.54-1,935.42

Finding the Fourth Proportional to 5,222.94, 7,830.54 and 1,935.42

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Solution

The fourth proportional to 5,222.94, 7,830.54 and 1,935.42 is: 2,901.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,222.94 : 7,830.54 = 1,935.42 : x
  2. Step 2: Convert to fraction form
    5,222.94/7,830.54 = 1,935.42/x
  3. Step 3: Cross multiply
    5,222.94x = 7,830.54 × 1,935.42
  4. Step 4: Simplify right side
    5,222.94x = 15,155,383.73
  5. Step 5: Solve for x
    x = 15,155,383.73/5,222.94
  6. Step 6: Final answer
    x = 2,901.70

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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.