Home / 10,300.44-15,450.66-2,905.68

Finding the Fourth Proportional to 10,300.44, 15,450.66 and 2,905.68

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Solution

The fourth proportional to 10,300.44, 15,450.66 and 2,905.68 is: 4,358.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,300.44 : 15,450.66 = 2,905.68 : x
  2. Step 2: Convert to fraction form
    10,300.44/15,450.66 = 2,905.68/x
  3. Step 3: Cross multiply
    10,300.44x = 15,450.66 × 2,905.68
  4. Step 4: Simplify right side
    10,300.44x = 44,894,673.75
  5. Step 5: Solve for x
    x = 44,894,673.75/10,300.44
  6. Step 6: Final answer
    x = 4,358.52

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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.