Home / 4,936.51-7,415.70-4,214.80

Finding the Fourth Proportional to 4,936.51, 7,415.70 and 4,214.80

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Solution

The fourth proportional to 4,936.51, 7,415.70 and 4,214.80 is: 6,331.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,936.51 : 7,415.70 = 4,214.80 : x
  2. Step 2: Convert to fraction form
    4,936.51/7,415.70 = 4,214.80/x
  3. Step 3: Cross multiply
    4,936.51x = 7,415.70 × 4,214.80
  4. Step 4: Simplify right side
    4,936.51x = 31,255,692.36
  5. Step 5: Solve for x
    x = 31,255,692.36/4,936.51
  6. Step 6: Final answer
    x = 6,331.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.