Home / 4,108.20-5,668.04-2,429.76

Finding the Fourth Proportional to 4,108.20, 5,668.04 and 2,429.76

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Solution

The fourth proportional to 4,108.20, 5,668.04 and 2,429.76 is: 3,352.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,108.20 : 5,668.04 = 2,429.76 : x
  2. Step 2: Convert to fraction form
    4,108.20/5,668.04 = 2,429.76/x
  3. Step 3: Cross multiply
    4,108.20x = 5,668.04 × 2,429.76
  4. Step 4: Simplify right side
    4,108.20x = 13,771,976.87
  5. Step 5: Solve for x
    x = 13,771,976.87/4,108.20
  6. Step 6: Final answer
    x = 3,352.31

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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.