Home / 3,529.12-5,293.86-1,774.12

Finding the Fourth Proportional to 3,529.12, 5,293.86 and 1,774.12

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Solution

The fourth proportional to 3,529.12, 5,293.86 and 1,774.12 is: 2,661.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529.12 : 5,293.86 = 1,774.12 : x
  2. Step 2: Convert to fraction form
    3,529.12/5,293.86 = 1,774.12/x
  3. Step 3: Cross multiply
    3,529.12x = 5,293.86 × 1,774.12
  4. Step 4: Simplify right side
    3,529.12x = 9,391,942.90
  5. Step 5: Solve for x
    x = 9,391,942.90/3,529.12
  6. Step 6: Final answer
    x = 2,661.27

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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.