Home / 4,695.14-7,043.92-1,920.90

Finding the Fourth Proportional to 4,695.14, 7,043.92 and 1,920.90

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Solution

The fourth proportional to 4,695.14, 7,043.92 and 1,920.90 is: 2,881.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,695.14 : 7,043.92 = 1,920.90 : x
  2. Step 2: Convert to fraction form
    4,695.14/7,043.92 = 1,920.90/x
  3. Step 3: Cross multiply
    4,695.14x = 7,043.92 × 1,920.90
  4. Step 4: Simplify right side
    4,695.14x = 13,530,665.93
  5. Step 5: Solve for x
    x = 13,530,665.93/4,695.14
  6. Step 6: Final answer
    x = 2,881.85

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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.