Home / 3,936.12-5,431.98-2,444.16

Finding the Fourth Proportional to 3,936.12, 5,431.98 and 2,444.16

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Solution

The fourth proportional to 3,936.12, 5,431.98 and 2,444.16 is: 3,373.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936.12 : 5,431.98 = 2,444.16 : x
  2. Step 2: Convert to fraction form
    3,936.12/5,431.98 = 2,444.16/x
  3. Step 3: Cross multiply
    3,936.12x = 5,431.98 × 2,444.16
  4. Step 4: Simplify right side
    3,936.12x = 13,276,628.24
  5. Step 5: Solve for x
    x = 13,276,628.24/3,936.12
  6. Step 6: Final answer
    x = 3,373.02

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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.