Home / 2,748.86-3,793.96-2,150.17

Finding the Fourth Proportional to 2,748.86, 3,793.96 and 2,150.17

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Solution

The fourth proportional to 2,748.86, 3,793.96 and 2,150.17 is: 2,967.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,748.86 : 3,793.96 = 2,150.17 : x
  2. Step 2: Convert to fraction form
    2,748.86/3,793.96 = 2,150.17/x
  3. Step 3: Cross multiply
    2,748.86x = 3,793.96 × 2,150.17
  4. Step 4: Simplify right side
    2,748.86x = 8,157,644.11
  5. Step 5: Solve for x
    x = 8,157,644.11/2,748.86
  6. Step 6: Final answer
    x = 2,967.65

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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.