Home / 5,176.24-7,143.36-2,818.42

Finding the Fourth Proportional to 5,176.24, 7,143.36 and 2,818.42

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Solution

The fourth proportional to 5,176.24, 7,143.36 and 2,818.42 is: 3,889.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,176.24 : 7,143.36 = 2,818.42 : x
  2. Step 2: Convert to fraction form
    5,176.24/7,143.36 = 2,818.42/x
  3. Step 3: Cross multiply
    5,176.24x = 7,143.36 × 2,818.42
  4. Step 4: Simplify right side
    5,176.24x = 20,132,988.69
  5. Step 5: Solve for x
    x = 20,132,988.69/5,176.24
  6. Step 6: Final answer
    x = 3,889.50

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.