Home / 3,038.14-4,192.71-1,859.86

Finding the Fourth Proportional to 3,038.14, 4,192.71 and 1,859.86

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Solution

The fourth proportional to 3,038.14, 4,192.71 and 1,859.86 is: 2,566.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,038.14 : 4,192.71 = 1,859.86 : x
  2. Step 2: Convert to fraction form
    3,038.14/4,192.71 = 1,859.86/x
  3. Step 3: Cross multiply
    3,038.14x = 4,192.71 × 1,859.86
  4. Step 4: Simplify right side
    3,038.14x = 7,797,853.62
  5. Step 5: Solve for x
    x = 7,797,853.62/3,038.14
  6. Step 6: Final answer
    x = 2,566.65

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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.