Home / 5,092.84-7,639.48-1,394.98

Finding the Fourth Proportional to 5,092.84, 7,639.48 and 1,394.98

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Solution

The fourth proportional to 5,092.84, 7,639.48 and 1,394.98 is: 2,092.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,092.84 : 7,639.48 = 1,394.98 : x
  2. Step 2: Convert to fraction form
    5,092.84/7,639.48 = 1,394.98/x
  3. Step 3: Cross multiply
    5,092.84x = 7,639.48 × 1,394.98
  4. Step 4: Simplify right side
    5,092.84x = 10,656,921.81
  5. Step 5: Solve for x
    x = 10,656,921.81/5,092.84
  6. Step 6: Final answer
    x = 2,092.53

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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.