Home / 4,876.74-7,308.96-2,100.62

Finding the Fourth Proportional to 4,876.74, 7,308.96 and 2,100.62

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Solution

The fourth proportional to 4,876.74, 7,308.96 and 2,100.62 is: 3,148.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,876.74 : 7,308.96 = 2,100.62 : x
  2. Step 2: Convert to fraction form
    4,876.74/7,308.96 = 2,100.62/x
  3. Step 3: Cross multiply
    4,876.74x = 7,308.96 × 2,100.62
  4. Step 4: Simplify right side
    4,876.74x = 15,353,311.01
  5. Step 5: Solve for x
    x = 15,353,311.01/4,876.74
  6. Step 6: Final answer
    x = 3,148.27

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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.