Home / 4,785.49-7,192.05-4,453.28

Finding the Fourth Proportional to 4,785.49, 7,192.05 and 4,453.28

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Solution

The fourth proportional to 4,785.49, 7,192.05 and 4,453.28 is: 6,692.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,785.49 : 7,192.05 = 4,453.28 : x
  2. Step 2: Convert to fraction form
    4,785.49/7,192.05 = 4,453.28/x
  3. Step 3: Cross multiply
    4,785.49x = 7,192.05 × 4,453.28
  4. Step 4: Simplify right side
    4,785.49x = 32,028,190.16
  5. Step 5: Solve for x
    x = 32,028,190.16/4,785.49
  6. Step 6: Final answer
    x = 6,692.78

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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.