Home / 3,195.15-4,409.40-1,759.56

Finding the Fourth Proportional to 3,195.15, 4,409.40 and 1,759.56

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Solution

The fourth proportional to 3,195.15, 4,409.40 and 1,759.56 is: 2,428.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195.15 : 4,409.40 = 1,759.56 : x
  2. Step 2: Convert to fraction form
    3,195.15/4,409.40 = 1,759.56/x
  3. Step 3: Cross multiply
    3,195.15x = 4,409.40 × 1,759.56
  4. Step 4: Simplify right side
    3,195.15x = 7,758,603.86
  5. Step 5: Solve for x
    x = 7,758,603.86/3,195.15
  6. Step 6: Final answer
    x = 2,428.24

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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.