Home / 3,936.54-5,432.45-2,258.01

Finding the Fourth Proportional to 3,936.54, 5,432.45 and 2,258.01

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Solution

The fourth proportional to 3,936.54, 5,432.45 and 2,258.01 is: 3,116.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936.54 : 5,432.45 = 2,258.01 : x
  2. Step 2: Convert to fraction form
    3,936.54/5,432.45 = 2,258.01/x
  3. Step 3: Cross multiply
    3,936.54x = 5,432.45 × 2,258.01
  4. Step 4: Simplify right side
    3,936.54x = 12,266,526.42
  5. Step 5: Solve for x
    x = 12,266,526.42/3,936.54
  6. Step 6: Final answer
    x = 3,116.07

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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.