Home / 4,108.78-5,668.68-2,339.92

Finding the Fourth Proportional to 4,108.78, 5,668.68 and 2,339.92

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Solution

The fourth proportional to 4,108.78, 5,668.68 and 2,339.92 is: 3,228.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,108.78 : 5,668.68 = 2,339.92 : x
  2. Step 2: Convert to fraction form
    4,108.78/5,668.68 = 2,339.92/x
  3. Step 3: Cross multiply
    4,108.78x = 5,668.68 × 2,339.92
  4. Step 4: Simplify right side
    4,108.78x = 13,264,257.71
  5. Step 5: Solve for x
    x = 13,264,257.71/4,108.78
  6. Step 6: Final answer
    x = 3,228.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.