Home / 4,151.76-5,729.20-2,579.84

Finding the Fourth Proportional to 4,151.76, 5,729.20 and 2,579.84

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Solution

The fourth proportional to 4,151.76, 5,729.20 and 2,579.84 is: 3,560.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,151.76 : 5,729.20 = 2,579.84 : x
  2. Step 2: Convert to fraction form
    4,151.76/5,729.20 = 2,579.84/x
  3. Step 3: Cross multiply
    4,151.76x = 5,729.20 × 2,579.84
  4. Step 4: Simplify right side
    4,151.76x = 14,780,419.33
  5. Step 5: Solve for x
    x = 14,780,419.33/4,151.76
  6. Step 6: Final answer
    x = 3,560.04

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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.