Home / 4,964.12-7,430.19-2,620.77

Finding the Fourth Proportional to 4,964.12, 7,430.19 and 2,620.77

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Solution

The fourth proportional to 4,964.12, 7,430.19 and 2,620.77 is: 3,922.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,964.12 : 7,430.19 = 2,620.77 : x
  2. Step 2: Convert to fraction form
    4,964.12/7,430.19 = 2,620.77/x
  3. Step 3: Cross multiply
    4,964.12x = 7,430.19 × 2,620.77
  4. Step 4: Simplify right side
    4,964.12x = 19,472,819.05
  5. Step 5: Solve for x
    x = 19,472,819.05/4,964.12
  6. Step 6: Final answer
    x = 3,922.72

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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.