Home / 5,286.37-7,929.63-2,513.32

Finding the Fourth Proportional to 5,286.37, 7,929.63 and 2,513.32

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Solution

The fourth proportional to 5,286.37, 7,929.63 and 2,513.32 is: 3,770.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,286.37 : 7,929.63 = 2,513.32 : x
  2. Step 2: Convert to fraction form
    5,286.37/7,929.63 = 2,513.32/x
  3. Step 3: Cross multiply
    5,286.37x = 7,929.63 × 2,513.32
  4. Step 4: Simplify right side
    5,286.37x = 19,929,697.67
  5. Step 5: Solve for x
    x = 19,929,697.67/5,286.37
  6. Step 6: Final answer
    x = 3,770.02

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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.