Home / 4,920.21-7,376.63-3,167.15

Finding the Fourth Proportional to 4,920.21, 7,376.63 and 3,167.15

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Solution

The fourth proportional to 4,920.21, 7,376.63 and 3,167.15 is: 4,748.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920.21 : 7,376.63 = 3,167.15 : x
  2. Step 2: Convert to fraction form
    4,920.21/7,376.63 = 3,167.15/x
  3. Step 3: Cross multiply
    4,920.21x = 7,376.63 × 3,167.15
  4. Step 4: Simplify right side
    4,920.21x = 23,362,840.99
  5. Step 5: Solve for x
    x = 23,362,840.99/4,920.21
  6. Step 6: Final answer
    x = 4,748.34

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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.