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Finding the Fourth Proportional to 5,347.93, 7,380.54 and 2,989.93

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Solution

The fourth proportional to 5,347.93, 7,380.54 and 2,989.93 is: 4,126.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,347.93 : 7,380.54 = 2,989.93 : x
  2. Step 2: Convert to fraction form
    5,347.93/7,380.54 = 2,989.93/x
  3. Step 3: Cross multiply
    5,347.93x = 7,380.54 × 2,989.93
  4. Step 4: Simplify right side
    5,347.93x = 22,067,297.96
  5. Step 5: Solve for x
    x = 22,067,297.96/5,347.93
  6. Step 6: Final answer
    x = 4,126.33

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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.