Home / 5,103.33-7,656.14-1,816.75

Finding the Fourth Proportional to 5,103.33, 7,656.14 and 1,816.75

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Solution

The fourth proportional to 5,103.33, 7,656.14 and 1,816.75 is: 2,725.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,103.33 : 7,656.14 = 1,816.75 : x
  2. Step 2: Convert to fraction form
    5,103.33/7,656.14 = 1,816.75/x
  3. Step 3: Cross multiply
    5,103.33x = 7,656.14 × 1,816.75
  4. Step 4: Simplify right side
    5,103.33x = 13,909,292.35
  5. Step 5: Solve for x
    x = 13,909,292.35/5,103.33
  6. Step 6: Final answer
    x = 2,725.53

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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.