Home / 3,867.11-5,802.80-1,675.86

Finding the Fourth Proportional to 3,867.11, 5,802.80 and 1,675.86

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Solution

The fourth proportional to 3,867.11, 5,802.80 and 1,675.86 is: 2,514.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,867.11 : 5,802.80 = 1,675.86 : x
  2. Step 2: Convert to fraction form
    3,867.11/5,802.80 = 1,675.86/x
  3. Step 3: Cross multiply
    3,867.11x = 5,802.80 × 1,675.86
  4. Step 4: Simplify right side
    3,867.11x = 9,724,672.03
  5. Step 5: Solve for x
    x = 9,724,672.03/3,867.11
  6. Step 6: Final answer
    x = 2,514.71

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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.