Home / 4,694-7,040.72-1,771.92

Finding the Fourth Proportional to 4,694, 7,040.72 and 1,771.92

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Solution

The fourth proportional to 4,694, 7,040.72 and 1,771.92 is: 2,657.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,694 : 7,040.72 = 1,771.92 : x
  2. Step 2: Convert to fraction form
    4,694/7,040.72 = 1,771.92/x
  3. Step 3: Cross multiply
    4,694x = 7,040.72 × 1,771.92
  4. Step 4: Simplify right side
    4,694x = 12,475,592.58
  5. Step 5: Solve for x
    x = 12,475,592.58/4,694
  6. Step 6: Final answer
    x = 2,657.77

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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.