Home / 4,620.13-6,930.19-1,157.38

Finding the Fourth Proportional to 4,620.13, 6,930.19 and 1,157.38

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Solution

The fourth proportional to 4,620.13, 6,930.19 and 1,157.38 is: 1,736.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,620.13 : 6,930.19 = 1,157.38 : x
  2. Step 2: Convert to fraction form
    4,620.13/6,930.19 = 1,157.38/x
  3. Step 3: Cross multiply
    4,620.13x = 6,930.19 × 1,157.38
  4. Step 4: Simplify right side
    4,620.13x = 8,020,863.30
  5. Step 5: Solve for x
    x = 8,020,863.30/4,620.13
  6. Step 6: Final answer
    x = 1,736.07

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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.