Home / 4,208.16-5,806.80-3,031.68

Finding the Fourth Proportional to 4,208.16, 5,806.80 and 3,031.68

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Solution

The fourth proportional to 4,208.16, 5,806.80 and 3,031.68 is: 4,183.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,208.16 : 5,806.80 = 3,031.68 : x
  2. Step 2: Convert to fraction form
    4,208.16/5,806.80 = 3,031.68/x
  3. Step 3: Cross multiply
    4,208.16x = 5,806.80 × 3,031.68
  4. Step 4: Simplify right side
    4,208.16x = 17,604,359.42
  5. Step 5: Solve for x
    x = 17,604,359.42/4,208.16
  6. Step 6: Final answer
    x = 4,183.39

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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.