Home / 5,905.26-8,858.46-2,981.70

Finding the Fourth Proportional to 5,905.26, 8,858.46 and 2,981.70

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Solution

The fourth proportional to 5,905.26, 8,858.46 and 2,981.70 is: 4,472.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,905.26 : 8,858.46 = 2,981.70 : x
  2. Step 2: Convert to fraction form
    5,905.26/8,858.46 = 2,981.70/x
  3. Step 3: Cross multiply
    5,905.26x = 8,858.46 × 2,981.70
  4. Step 4: Simplify right side
    5,905.26x = 26,413,270.18
  5. Step 5: Solve for x
    x = 26,413,270.18/5,905.26
  6. Step 6: Final answer
    x = 4,472.84

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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.