Home / 5,021.06-6,929.15-3,031.70

Finding the Fourth Proportional to 5,021.06, 6,929.15 and 3,031.70

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Solution

The fourth proportional to 5,021.06, 6,929.15 and 3,031.70 is: 4,183.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,021.06 : 6,929.15 = 3,031.70 : x
  2. Step 2: Convert to fraction form
    5,021.06/6,929.15 = 3,031.70/x
  3. Step 3: Cross multiply
    5,021.06x = 6,929.15 × 3,031.70
  4. Step 4: Simplify right side
    5,021.06x = 21,007,054.25
  5. Step 5: Solve for x
    x = 21,007,054.25/5,021.06
  6. Step 6: Final answer
    x = 4,183.79

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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.