Home / 1,930.19-2,895.44-697.77

Finding the Fourth Proportional to 1,930.19, 2,895.44 and 697.77

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Solution

The fourth proportional to 1,930.19, 2,895.44 and 697.77 is: 1,046.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930.19 : 2,895.44 = 697.77 : x
  2. Step 2: Convert to fraction form
    1,930.19/2,895.44 = 697.77/x
  3. Step 3: Cross multiply
    1,930.19x = 2,895.44 × 697.77
  4. Step 4: Simplify right side
    1,930.19x = 2,020,347.68
  5. Step 5: Solve for x
    x = 2,020,347.68/1,930.19
  6. Step 6: Final answer
    x = 1,046.71

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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.