Home / 4,827.70-7,242.92-2,489.41

Finding the Fourth Proportional to 4,827.70, 7,242.92 and 2,489.41

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Solution

The fourth proportional to 4,827.70, 7,242.92 and 2,489.41 is: 3,734.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,827.70 : 7,242.92 = 2,489.41 : x
  2. Step 2: Convert to fraction form
    4,827.70/7,242.92 = 2,489.41/x
  3. Step 3: Cross multiply
    4,827.70x = 7,242.92 × 2,489.41
  4. Step 4: Simplify right side
    4,827.70x = 18,030,597.48
  5. Step 5: Solve for x
    x = 18,030,597.48/4,827.70
  6. Step 6: Final answer
    x = 3,734.82

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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.