Home / 4,905.73-7,358.55-1,207.99

Finding the Fourth Proportional to 4,905.73, 7,358.55 and 1,207.99

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Solution

The fourth proportional to 4,905.73, 7,358.55 and 1,207.99 is: 1,811.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,905.73 : 7,358.55 = 1,207.99 : x
  2. Step 2: Convert to fraction form
    4,905.73/7,358.55 = 1,207.99/x
  3. Step 3: Cross multiply
    4,905.73x = 7,358.55 × 1,207.99
  4. Step 4: Simplify right side
    4,905.73x = 8,889,054.81
  5. Step 5: Solve for x
    x = 8,889,054.81/4,905.73
  6. Step 6: Final answer
    x = 1,811.97

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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.