Home / 5,116.62-7,668.72-2,339.40

Finding the Fourth Proportional to 5,116.62, 7,668.72 and 2,339.40

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Solution

The fourth proportional to 5,116.62, 7,668.72 and 2,339.40 is: 3,506.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,116.62 : 7,668.72 = 2,339.40 : x
  2. Step 2: Convert to fraction form
    5,116.62/7,668.72 = 2,339.40/x
  3. Step 3: Cross multiply
    5,116.62x = 7,668.72 × 2,339.40
  4. Step 4: Simplify right side
    5,116.62x = 17,940,203.57
  5. Step 5: Solve for x
    x = 17,940,203.57/5,116.62
  6. Step 6: Final answer
    x = 3,506.26

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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.