Home / 4,740.84-7,102.74-2,791.98

Finding the Fourth Proportional to 4,740.84, 7,102.74 and 2,791.98

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Solution

The fourth proportional to 4,740.84, 7,102.74 and 2,791.98 is: 4,182.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,740.84 : 7,102.74 = 2,791.98 : x
  2. Step 2: Convert to fraction form
    4,740.84/7,102.74 = 2,791.98/x
  3. Step 3: Cross multiply
    4,740.84x = 7,102.74 × 2,791.98
  4. Step 4: Simplify right side
    4,740.84x = 19,830,708.03
  5. Step 5: Solve for x
    x = 19,830,708.03/4,740.84
  6. Step 6: Final answer
    x = 4,182.95

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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.