Home / 3,708.42-5,118.49-2,217

Finding the Fourth Proportional to 3,708.42, 5,118.49 and 2,217

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Solution

The fourth proportional to 3,708.42, 5,118.49 and 2,217 is: 3,059.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,708.42 : 5,118.49 = 2,217 : x
  2. Step 2: Convert to fraction form
    3,708.42/5,118.49 = 2,217/x
  3. Step 3: Cross multiply
    3,708.42x = 5,118.49 × 2,217
  4. Step 4: Simplify right side
    3,708.42x = 11,347,692.33
  5. Step 5: Solve for x
    x = 11,347,692.33/3,708.42
  6. Step 6: Final answer
    x = 3,059.98

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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.