Home / 5,332.56-7,999.72-1,634.42

Finding the Fourth Proportional to 5,332.56, 7,999.72 and 1,634.42

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Solution

The fourth proportional to 5,332.56, 7,999.72 and 1,634.42 is: 2,451.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,332.56 : 7,999.72 = 1,634.42 : x
  2. Step 2: Convert to fraction form
    5,332.56/7,999.72 = 1,634.42/x
  3. Step 3: Cross multiply
    5,332.56x = 7,999.72 × 1,634.42
  4. Step 4: Simplify right side
    5,332.56x = 13,074,902.36
  5. Step 5: Solve for x
    x = 13,074,902.36/5,332.56
  6. Step 6: Final answer
    x = 2,451.90

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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.