Home / 7,277.20-10,917.60-2,347.36

Finding the Fourth Proportional to 7,277.20, 10,917.60 and 2,347.36

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Solution

The fourth proportional to 7,277.20, 10,917.60 and 2,347.36 is: 3,521.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,277.20 : 10,917.60 = 2,347.36 : x
  2. Step 2: Convert to fraction form
    7,277.20/10,917.60 = 2,347.36/x
  3. Step 3: Cross multiply
    7,277.20x = 10,917.60 × 2,347.36
  4. Step 4: Simplify right side
    7,277.20x = 25,627,537.54
  5. Step 5: Solve for x
    x = 25,627,537.54/7,277.20
  6. Step 6: Final answer
    x = 3,521.62

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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.