Home / 5,122.73-7,068.93-3,132.97

Finding the Fourth Proportional to 5,122.73, 7,068.93 and 3,132.97

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Solution

The fourth proportional to 5,122.73, 7,068.93 and 3,132.97 is: 4,323.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,122.73 : 7,068.93 = 3,132.97 : x
  2. Step 2: Convert to fraction form
    5,122.73/7,068.93 = 3,132.97/x
  3. Step 3: Cross multiply
    5,122.73x = 7,068.93 × 3,132.97
  4. Step 4: Simplify right side
    5,122.73x = 22,146,745.62
  5. Step 5: Solve for x
    x = 22,146,745.62/5,122.73
  6. Step 6: Final answer
    x = 4,323.23

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1.5x scale

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.