Home / 4,969.90-7,454.31-1,682.74

Finding the Fourth Proportional to 4,969.90, 7,454.31 and 1,682.74

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Solution

The fourth proportional to 4,969.90, 7,454.31 and 1,682.74 is: 2,523.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,969.90 : 7,454.31 = 1,682.74 : x
  2. Step 2: Convert to fraction form
    4,969.90/7,454.31 = 1,682.74/x
  3. Step 3: Cross multiply
    4,969.90x = 7,454.31 × 1,682.74
  4. Step 4: Simplify right side
    4,969.90x = 12,543,665.61
  5. Step 5: Solve for x
    x = 12,543,665.61/4,969.90
  6. Step 6: Final answer
    x = 2,523.93

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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.