Home / 5,679.10-8,516.05-3,046.20

Finding the Fourth Proportional to 5,679.10, 8,516.05 and 3,046.20

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Solution

The fourth proportional to 5,679.10, 8,516.05 and 3,046.20 is: 4,567.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,679.10 : 8,516.05 = 3,046.20 : x
  2. Step 2: Convert to fraction form
    5,679.10/8,516.05 = 3,046.20/x
  3. Step 3: Cross multiply
    5,679.10x = 8,516.05 × 3,046.20
  4. Step 4: Simplify right side
    5,679.10x = 25,941,591.51
  5. Step 5: Solve for x
    x = 25,941,591.51/5,679.10
  6. Step 6: Final answer
    x = 4,567.91

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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.