Home / 5,513.44-7,608.42-3,123.06

Finding the Fourth Proportional to 5,513.44, 7,608.42 and 3,123.06

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Solution

The fourth proportional to 5,513.44, 7,608.42 and 3,123.06 is: 4,309.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,513.44 : 7,608.42 = 3,123.06 : x
  2. Step 2: Convert to fraction form
    5,513.44/7,608.42 = 3,123.06/x
  3. Step 3: Cross multiply
    5,513.44x = 7,608.42 × 3,123.06
  4. Step 4: Simplify right side
    5,513.44x = 23,761,552.17
  5. Step 5: Solve for x
    x = 23,761,552.17/5,513.44
  6. Step 6: Final answer
    x = 4,309.75

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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.