Home / 5,719.40-8,567.78-4,481.04

Finding the Fourth Proportional to 5,719.40, 8,567.78 and 4,481.04

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Solution

The fourth proportional to 5,719.40, 8,567.78 and 4,481.04 is: 6,712.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,719.40 : 8,567.78 = 4,481.04 : x
  2. Step 2: Convert to fraction form
    5,719.40/8,567.78 = 4,481.04/x
  3. Step 3: Cross multiply
    5,719.40x = 8,567.78 × 4,481.04
  4. Step 4: Simplify right side
    5,719.40x = 38,392,564.89
  5. Step 5: Solve for x
    x = 38,392,564.89/5,719.40
  6. Step 6: Final answer
    x = 6,712.69

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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.