Home / 5,284.96-7,921.72-2,359.24

Finding the Fourth Proportional to 5,284.96, 7,921.72 and 2,359.24

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Solution

The fourth proportional to 5,284.96, 7,921.72 and 2,359.24 is: 3,536.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,284.96 : 7,921.72 = 2,359.24 : x
  2. Step 2: Convert to fraction form
    5,284.96/7,921.72 = 2,359.24/x
  3. Step 3: Cross multiply
    5,284.96x = 7,921.72 × 2,359.24
  4. Step 4: Simplify right side
    5,284.96x = 18,689,238.69
  5. Step 5: Solve for x
    x = 18,689,238.69/5,284.96
  6. Step 6: Final answer
    x = 3,536.31

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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.