Home / 5,104.44-7,656.75-1,641.69

Finding the Fourth Proportional to 5,104.44, 7,656.75 and 1,641.69

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Solution

The fourth proportional to 5,104.44, 7,656.75 and 1,641.69 is: 2,462.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,104.44 : 7,656.75 = 1,641.69 : x
  2. Step 2: Convert to fraction form
    5,104.44/7,656.75 = 1,641.69/x
  3. Step 3: Cross multiply
    5,104.44x = 7,656.75 × 1,641.69
  4. Step 4: Simplify right side
    5,104.44x = 12,570,009.91
  5. Step 5: Solve for x
    x = 12,570,009.91/5,104.44
  6. Step 6: Final answer
    x = 2,462.56

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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.