Home / 3,193.96-4,407.26-1,867.40

Finding the Fourth Proportional to 3,193.96, 4,407.26 and 1,867.40

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Solution

The fourth proportional to 3,193.96, 4,407.26 and 1,867.40 is: 2,576.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,193.96 : 4,407.26 = 1,867.40 : x
  2. Step 2: Convert to fraction form
    3,193.96/4,407.26 = 1,867.40/x
  3. Step 3: Cross multiply
    3,193.96x = 4,407.26 × 1,867.40
  4. Step 4: Simplify right side
    3,193.96x = 8,230,117.32
  5. Step 5: Solve for x
    x = 8,230,117.32/3,193.96
  6. Step 6: Final answer
    x = 2,576.78

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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.