Home / 4,905.56-7,359.76-1,442.81

Finding the Fourth Proportional to 4,905.56, 7,359.76 and 1,442.81

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Solution

The fourth proportional to 4,905.56, 7,359.76 and 1,442.81 is: 2,164.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,905.56 : 7,359.76 = 1,442.81 : x
  2. Step 2: Convert to fraction form
    4,905.56/7,359.76 = 1,442.81/x
  3. Step 3: Cross multiply
    4,905.56x = 7,359.76 × 1,442.81
  4. Step 4: Simplify right side
    4,905.56x = 10,618,755.53
  5. Step 5: Solve for x
    x = 10,618,755.53/4,905.56
  6. Step 6: Final answer
    x = 2,164.64

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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.