Home / 5,529.03-7,628.31-3,170.76

Finding the Fourth Proportional to 5,529.03, 7,628.31 and 3,170.76

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Solution

The fourth proportional to 5,529.03, 7,628.31 and 3,170.76 is: 4,374.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,529.03 : 7,628.31 = 3,170.76 : x
  2. Step 2: Convert to fraction form
    5,529.03/7,628.31 = 3,170.76/x
  3. Step 3: Cross multiply
    5,529.03x = 7,628.31 × 3,170.76
  4. Step 4: Simplify right side
    5,529.03x = 24,187,540.22
  5. Step 5: Solve for x
    x = 24,187,540.22/5,529.03
  6. Step 6: Final answer
    x = 4,374.64

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Half scale
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Double scale
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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.