Home / 5,015.82-6,920.64-3,025.62

Finding the Fourth Proportional to 5,015.82, 6,920.64 and 3,025.62

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Solution

The fourth proportional to 5,015.82, 6,920.64 and 3,025.62 is: 4,174.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,015.82 : 6,920.64 = 3,025.62 : x
  2. Step 2: Convert to fraction form
    5,015.82/6,920.64 = 3,025.62/x
  3. Step 3: Cross multiply
    5,015.82x = 6,920.64 × 3,025.62
  4. Step 4: Simplify right side
    5,015.82x = 20,939,226.80
  5. Step 5: Solve for x
    x = 20,939,226.80/5,015.82
  6. Step 6: Final answer
    x = 4,174.64

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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.