Home / 2,591.19-3,575.99-1,529.58

Finding the Fourth Proportional to 2,591.19, 3,575.99 and 1,529.58

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Solution

The fourth proportional to 2,591.19, 3,575.99 and 1,529.58 is: 2,110.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,591.19 : 3,575.99 = 1,529.58 : x
  2. Step 2: Convert to fraction form
    2,591.19/3,575.99 = 1,529.58/x
  3. Step 3: Cross multiply
    2,591.19x = 3,575.99 × 1,529.58
  4. Step 4: Simplify right side
    2,591.19x = 5,469,755.14
  5. Step 5: Solve for x
    x = 5,469,755.14/2,591.19
  6. Step 6: Final answer
    x = 2,110.90

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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.