Home / 5,816.05-8,721.74-2,117.41

Finding the Fourth Proportional to 5,816.05, 8,721.74 and 2,117.41

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Solution

The fourth proportional to 5,816.05, 8,721.74 and 2,117.41 is: 3,175.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,816.05 : 8,721.74 = 2,117.41 : x
  2. Step 2: Convert to fraction form
    5,816.05/8,721.74 = 2,117.41/x
  3. Step 3: Cross multiply
    5,816.05x = 8,721.74 × 2,117.41
  4. Step 4: Simplify right side
    5,816.05x = 18,467,488.91
  5. Step 5: Solve for x
    x = 18,467,488.91/5,816.05
  6. Step 6: Final answer
    x = 3,175.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.