Home / 3,748.08-5,618.84-2,772.84

Finding the Fourth Proportional to 3,748.08, 5,618.84 and 2,772.84

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Solution

The fourth proportional to 3,748.08, 5,618.84 and 2,772.84 is: 4,156.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,748.08 : 5,618.84 = 2,772.84 : x
  2. Step 2: Convert to fraction form
    3,748.08/5,618.84 = 2,772.84/x
  3. Step 3: Cross multiply
    3,748.08x = 5,618.84 × 2,772.84
  4. Step 4: Simplify right side
    3,748.08x = 15,580,144.31
  5. Step 5: Solve for x
    x = 15,580,144.31/3,748.08
  6. Step 6: Final answer
    x = 4,156.83

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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.