Home / 3,194.16-4,407.96-2,015.76

Finding the Fourth Proportional to 3,194.16, 4,407.96 and 2,015.76

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Solution

The fourth proportional to 3,194.16, 4,407.96 and 2,015.76 is: 2,781.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,194.16 : 4,407.96 = 2,015.76 : x
  2. Step 2: Convert to fraction form
    3,194.16/4,407.96 = 2,015.76/x
  3. Step 3: Cross multiply
    3,194.16x = 4,407.96 × 2,015.76
  4. Step 4: Simplify right side
    3,194.16x = 8,885,389.45
  5. Step 5: Solve for x
    x = 8,885,389.45/3,194.16
  6. Step 6: Final answer
    x = 2,781.76

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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.