Home / 4,972.64-6,860.54-2,983.88

Finding the Fourth Proportional to 4,972.64, 6,860.54 and 2,983.88

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Solution

The fourth proportional to 4,972.64, 6,860.54 and 2,983.88 is: 4,116.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,972.64 : 6,860.54 = 2,983.88 : x
  2. Step 2: Convert to fraction form
    4,972.64/6,860.54 = 2,983.88/x
  3. Step 3: Cross multiply
    4,972.64x = 6,860.54 × 2,983.88
  4. Step 4: Simplify right side
    4,972.64x = 20,471,028.10
  5. Step 5: Solve for x
    x = 20,471,028.10/4,972.64
  6. Step 6: Final answer
    x = 4,116.73

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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.