Home / 5,463.38-7,539.48-3,105.51

Finding the Fourth Proportional to 5,463.38, 7,539.48 and 3,105.51

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Solution

The fourth proportional to 5,463.38, 7,539.48 and 3,105.51 is: 4,285.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,463.38 : 7,539.48 = 3,105.51 : x
  2. Step 2: Convert to fraction form
    5,463.38/7,539.48 = 3,105.51/x
  3. Step 3: Cross multiply
    5,463.38x = 7,539.48 × 3,105.51
  4. Step 4: Simplify right side
    5,463.38x = 23,413,930.53
  5. Step 5: Solve for x
    x = 23,413,930.53/5,463.38
  6. Step 6: Final answer
    x = 4,285.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.