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Finding the Fourth Proportional to 5,757.15, 7,935.93 and 4,816.07

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Solution

The fourth proportional to 5,757.15, 7,935.93 and 4,816.07 is: 6,638.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,757.15 : 7,935.93 = 4,816.07 : x
  2. Step 2: Convert to fraction form
    5,757.15/7,935.93 = 4,816.07/x
  3. Step 3: Cross multiply
    5,757.15x = 7,935.93 × 4,816.07
  4. Step 4: Simplify right side
    5,757.15x = 38,219,954.72
  5. Step 5: Solve for x
    x = 38,219,954.72/5,757.15
  6. Step 6: Final answer
    x = 6,638.69

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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.