Home / 5,116.92-7,061.43-3,021.05

Finding the Fourth Proportional to 5,116.92, 7,061.43 and 3,021.05

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Solution

The fourth proportional to 5,116.92, 7,061.43 and 3,021.05 is: 4,169.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,116.92 : 7,061.43 = 3,021.05 : x
  2. Step 2: Convert to fraction form
    5,116.92/7,061.43 = 3,021.05/x
  3. Step 3: Cross multiply
    5,116.92x = 7,061.43 × 3,021.05
  4. Step 4: Simplify right side
    5,116.92x = 21,332,897.79
  5. Step 5: Solve for x
    x = 21,332,897.79/5,116.92
  6. Step 6: Final answer
    x = 4,169.09

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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.