Home / 3,440.29-4,747.59-1,868.38

Finding the Fourth Proportional to 3,440.29, 4,747.59 and 1,868.38

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Solution

The fourth proportional to 3,440.29, 4,747.59 and 1,868.38 is: 2,578.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440.29 : 4,747.59 = 1,868.38 : x
  2. Step 2: Convert to fraction form
    3,440.29/4,747.59 = 1,868.38/x
  3. Step 3: Cross multiply
    3,440.29x = 4,747.59 × 1,868.38
  4. Step 4: Simplify right side
    3,440.29x = 8,870,303.58
  5. Step 5: Solve for x
    x = 8,870,303.58/3,440.29
  6. Step 6: Final answer
    x = 2,578.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.