Home / 3,570.45-4,927.23-1,998.44

Finding the Fourth Proportional to 3,570.45, 4,927.23 and 1,998.44

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Solution

The fourth proportional to 3,570.45, 4,927.23 and 1,998.44 is: 2,757.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,570.45 : 4,927.23 = 1,998.44 : x
  2. Step 2: Convert to fraction form
    3,570.45/4,927.23 = 1,998.44/x
  3. Step 3: Cross multiply
    3,570.45x = 4,927.23 × 1,998.44
  4. Step 4: Simplify right side
    3,570.45x = 9,846,773.52
  5. Step 5: Solve for x
    x = 9,846,773.52/3,570.45
  6. Step 6: Final answer
    x = 2,757.85

Related Problems

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Half scale
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Double scale
Find fourth proportional to 3,571.45, 4,928.61 and 1,999.44
Similar ratio
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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.