Home / 5,535.62-7,638.81-3,051.62

Finding the Fourth Proportional to 5,535.62, 7,638.81 and 3,051.62

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Solution

The fourth proportional to 5,535.62, 7,638.81 and 3,051.62 is: 4,211.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,535.62 : 7,638.81 = 3,051.62 : x
  2. Step 2: Convert to fraction form
    5,535.62/7,638.81 = 3,051.62/x
  3. Step 3: Cross multiply
    5,535.62x = 7,638.81 × 3,051.62
  4. Step 4: Simplify right side
    5,535.62x = 23,310,745.37
  5. Step 5: Solve for x
    x = 23,310,745.37/5,535.62
  6. Step 6: Final answer
    x = 4,211.05

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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.