Home / 7,664.64-10,575.72-4,519.92

Finding the Fourth Proportional to 7,664.64, 10,575.72 and 4,519.92

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Solution

The fourth proportional to 7,664.64, 10,575.72 and 4,519.92 is: 6,236.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,664.64 : 10,575.72 = 4,519.92 : x
  2. Step 2: Convert to fraction form
    7,664.64/10,575.72 = 4,519.92/x
  3. Step 3: Cross multiply
    7,664.64x = 10,575.72 × 4,519.92
  4. Step 4: Simplify right side
    7,664.64x = 47,801,408.34
  5. Step 5: Solve for x
    x = 47,801,408.34/7,664.64
  6. Step 6: Final answer
    x = 6,236.61

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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.