Home / 5,328.36-7,992.56-1,630.52

Finding the Fourth Proportional to 5,328.36, 7,992.56 and 1,630.52

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Solution

The fourth proportional to 5,328.36, 7,992.56 and 1,630.52 is: 2,445.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328.36 : 7,992.56 = 1,630.52 : x
  2. Step 2: Convert to fraction form
    5,328.36/7,992.56 = 1,630.52/x
  3. Step 3: Cross multiply
    5,328.36x = 7,992.56 × 1,630.52
  4. Step 4: Simplify right side
    5,328.36x = 13,032,028.93
  5. Step 5: Solve for x
    x = 13,032,028.93/5,328.36
  6. Step 6: Final answer
    x = 2,445.79

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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.