Home / 3,941.29-5,441.21-2,616.81

Finding the Fourth Proportional to 3,941.29, 5,441.21 and 2,616.81

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Solution

The fourth proportional to 3,941.29, 5,441.21 and 2,616.81 is: 3,612.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,941.29 : 5,441.21 = 2,616.81 : x
  2. Step 2: Convert to fraction form
    3,941.29/5,441.21 = 2,616.81/x
  3. Step 3: Cross multiply
    3,941.29x = 5,441.21 × 2,616.81
  4. Step 4: Simplify right side
    3,941.29x = 14,238,612.74
  5. Step 5: Solve for x
    x = 14,238,612.74/3,941.29
  6. Step 6: Final answer
    x = 3,612.68

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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.