Home / 5,016.57-7,525.29-1,318.77

Finding the Fourth Proportional to 5,016.57, 7,525.29 and 1,318.77

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Solution

The fourth proportional to 5,016.57, 7,525.29 and 1,318.77 is: 1,978.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,016.57 : 7,525.29 = 1,318.77 : x
  2. Step 2: Convert to fraction form
    5,016.57/7,525.29 = 1,318.77/x
  3. Step 3: Cross multiply
    5,016.57x = 7,525.29 × 1,318.77
  4. Step 4: Simplify right side
    5,016.57x = 9,924,126.69
  5. Step 5: Solve for x
    x = 9,924,126.69/5,016.57
  6. Step 6: Final answer
    x = 1,978.27

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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.