Home / 3,195.41-4,409.73-1,779.03

Finding the Fourth Proportional to 3,195.41, 4,409.73 and 1,779.03

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Solution

The fourth proportional to 3,195.41, 4,409.73 and 1,779.03 is: 2,455.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,195.41 : 4,409.73 = 1,779.03 : x
  2. Step 2: Convert to fraction form
    3,195.41/4,409.73 = 1,779.03/x
  3. Step 3: Cross multiply
    3,195.41x = 4,409.73 × 1,779.03
  4. Step 4: Simplify right side
    3,195.41x = 7,845,011.02
  5. Step 5: Solve for x
    x = 7,845,011.02/3,195.41
  6. Step 6: Final answer
    x = 2,455.09

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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.