Home / 5,817.21-8,719.74-2,851.59

Finding the Fourth Proportional to 5,817.21, 8,719.74 and 2,851.59

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Solution

The fourth proportional to 5,817.21, 8,719.74 and 2,851.59 is: 4,274.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,817.21 : 8,719.74 = 2,851.59 : x
  2. Step 2: Convert to fraction form
    5,817.21/8,719.74 = 2,851.59/x
  3. Step 3: Cross multiply
    5,817.21x = 8,719.74 × 2,851.59
  4. Step 4: Simplify right side
    5,817.21x = 24,865,123.39
  5. Step 5: Solve for x
    x = 24,865,123.39/5,817.21
  6. Step 6: Final answer
    x = 4,274.41

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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.