Home / 3,511.28-5,268.12-1,564.84

Finding the Fourth Proportional to 3,511.28, 5,268.12 and 1,564.84

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Solution

The fourth proportional to 3,511.28, 5,268.12 and 1,564.84 is: 2,347.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511.28 : 5,268.12 = 1,564.84 : x
  2. Step 2: Convert to fraction form
    3,511.28/5,268.12 = 1,564.84/x
  3. Step 3: Cross multiply
    3,511.28x = 5,268.12 × 1,564.84
  4. Step 4: Simplify right side
    3,511.28x = 8,243,764.90
  5. Step 5: Solve for x
    x = 8,243,764.90/3,511.28
  6. Step 6: Final answer
    x = 2,347.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.