Home / 5,415.44-7,473.66-3,057.44

Finding the Fourth Proportional to 5,415.44, 7,473.66 and 3,057.44

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Solution

The fourth proportional to 5,415.44, 7,473.66 and 3,057.44 is: 4,219.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,415.44 : 7,473.66 = 3,057.44 : x
  2. Step 2: Convert to fraction form
    5,415.44/7,473.66 = 3,057.44/x
  3. Step 3: Cross multiply
    5,415.44x = 7,473.66 × 3,057.44
  4. Step 4: Simplify right side
    5,415.44x = 22,850,267.03
  5. Step 5: Solve for x
    x = 22,850,267.03/5,415.44
  6. Step 6: Final answer
    x = 4,219.47

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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.