Home / 5,680.18-7,838.52-3,161.98

Finding the Fourth Proportional to 5,680.18, 7,838.52 and 3,161.98

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Solution

The fourth proportional to 5,680.18, 7,838.52 and 3,161.98 is: 4,363.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,680.18 : 7,838.52 = 3,161.98 : x
  2. Step 2: Convert to fraction form
    5,680.18/7,838.52 = 3,161.98/x
  3. Step 3: Cross multiply
    5,680.18x = 7,838.52 × 3,161.98
  4. Step 4: Simplify right side
    5,680.18x = 24,785,243.47
  5. Step 5: Solve for x
    x = 24,785,243.47/5,680.18
  6. Step 6: Final answer
    x = 4,363.46

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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.