Home / 3,577.01-4,936.28-2,179.76

Finding the Fourth Proportional to 3,577.01, 4,936.28 and 2,179.76

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Solution

The fourth proportional to 3,577.01, 4,936.28 and 2,179.76 is: 3,008.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,577.01 : 4,936.28 = 2,179.76 : x
  2. Step 2: Convert to fraction form
    3,577.01/4,936.28 = 2,179.76/x
  3. Step 3: Cross multiply
    3,577.01x = 4,936.28 × 2,179.76
  4. Step 4: Simplify right side
    3,577.01x = 10,759,870.11
  5. Step 5: Solve for x
    x = 10,759,870.11/3,577.01
  6. Step 6: Final answer
    x = 3,008.07

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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.