Home / 3,936.66-5,434.85-2,612.16

Finding the Fourth Proportional to 3,936.66, 5,434.85 and 2,612.16

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Solution

The fourth proportional to 3,936.66, 5,434.85 and 2,612.16 is: 3,606.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936.66 : 5,434.85 = 2,612.16 : x
  2. Step 2: Convert to fraction form
    3,936.66/5,434.85 = 2,612.16/x
  3. Step 3: Cross multiply
    3,936.66x = 5,434.85 × 2,612.16
  4. Step 4: Simplify right side
    3,936.66x = 14,196,697.78
  5. Step 5: Solve for x
    x = 14,196,697.78/3,936.66
  6. Step 6: Final answer
    x = 3,606.28

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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.