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Finding the Fourth Proportional to 5,737.89, 7,918.46 and 3,499.26

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Solution

The fourth proportional to 5,737.89, 7,918.46 and 3,499.26 is: 4,829.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,737.89 : 7,918.46 = 3,499.26 : x
  2. Step 2: Convert to fraction form
    5,737.89/7,918.46 = 3,499.26/x
  3. Step 3: Cross multiply
    5,737.89x = 7,918.46 × 3,499.26
  4. Step 4: Simplify right side
    5,737.89x = 27,708,732.84
  5. Step 5: Solve for x
    x = 27,708,732.84/5,737.89
  6. Step 6: Final answer
    x = 4,829.08

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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.