Home / 4,108.12-5,668.08-2,428.79

Finding the Fourth Proportional to 4,108.12, 5,668.08 and 2,428.79

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Solution

The fourth proportional to 4,108.12, 5,668.08 and 2,428.79 is: 3,351.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,108.12 : 5,668.08 = 2,428.79 : x
  2. Step 2: Convert to fraction form
    4,108.12/5,668.08 = 2,428.79/x
  3. Step 3: Cross multiply
    4,108.12x = 5,668.08 × 2,428.79
  4. Step 4: Simplify right side
    4,108.12x = 13,766,538.57
  5. Step 5: Solve for x
    x = 13,766,538.57/4,108.12
  6. Step 6: Final answer
    x = 3,351.06

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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.