Home / 5,719.11-8,579.36-2,020.58

Finding the Fourth Proportional to 5,719.11, 8,579.36 and 2,020.58

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Solution

The fourth proportional to 5,719.11, 8,579.36 and 2,020.58 is: 3,031.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,719.11 : 8,579.36 = 2,020.58 : x
  2. Step 2: Convert to fraction form
    5,719.11/8,579.36 = 2,020.58/x
  3. Step 3: Cross multiply
    5,719.11x = 8,579.36 × 2,020.58
  4. Step 4: Simplify right side
    5,719.11x = 17,335,299.63
  5. Step 5: Solve for x
    x = 17,335,299.63/5,719.11
  6. Step 6: Final answer
    x = 3,031.12

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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.