Home / 5,043-7,556.76-2,119.68

Finding the Fourth Proportional to 5,043, 7,556.76 and 2,119.68

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Solution

The fourth proportional to 5,043, 7,556.76 and 2,119.68 is: 3,176.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,043 : 7,556.76 = 2,119.68 : x
  2. Step 2: Convert to fraction form
    5,043/7,556.76 = 2,119.68/x
  3. Step 3: Cross multiply
    5,043x = 7,556.76 × 2,119.68
  4. Step 4: Simplify right side
    5,043x = 16,017,913.04
  5. Step 5: Solve for x
    x = 16,017,913.04/5,043
  6. Step 6: Final answer
    x = 3,176.27

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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.