Home / 3,349.78-5,022.36-1,474.76

Finding the Fourth Proportional to 3,349.78, 5,022.36 and 1,474.76

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Solution

The fourth proportional to 3,349.78, 5,022.36 and 1,474.76 is: 2,211.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,349.78 : 5,022.36 = 1,474.76 : x
  2. Step 2: Convert to fraction form
    3,349.78/5,022.36 = 1,474.76/x
  3. Step 3: Cross multiply
    3,349.78x = 5,022.36 × 1,474.76
  4. Step 4: Simplify right side
    3,349.78x = 7,406,775.63
  5. Step 5: Solve for x
    x = 7,406,775.63/3,349.78
  6. Step 6: Final answer
    x = 2,211.12

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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.