Home / 5,415.36-7,473.09-3,057.49

Finding the Fourth Proportional to 5,415.36, 7,473.09 and 3,057.49

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Solution

The fourth proportional to 5,415.36, 7,473.09 and 3,057.49 is: 4,219.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,415.36 : 7,473.09 = 3,057.49 : x
  2. Step 2: Convert to fraction form
    5,415.36/7,473.09 = 3,057.49/x
  3. Step 3: Cross multiply
    5,415.36x = 7,473.09 × 3,057.49
  4. Step 4: Simplify right side
    5,415.36x = 22,848,897.94
  5. Step 5: Solve for x
    x = 22,848,897.94/5,415.36
  6. Step 6: Final answer
    x = 4,219.28

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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.