Home / 4,747.23-7,118.28-1,459.44

Finding the Fourth Proportional to 4,747.23, 7,118.28 and 1,459.44

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Solution

The fourth proportional to 4,747.23, 7,118.28 and 1,459.44 is: 2,188.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,747.23 : 7,118.28 = 1,459.44 : x
  2. Step 2: Convert to fraction form
    4,747.23/7,118.28 = 1,459.44/x
  3. Step 3: Cross multiply
    4,747.23x = 7,118.28 × 1,459.44
  4. Step 4: Simplify right side
    4,747.23x = 10,388,702.56
  5. Step 5: Solve for x
    x = 10,388,702.56/4,747.23
  6. Step 6: Final answer
    x = 2,188.37

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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.