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Finding the Fourth Proportional to 5,825.79, 8,051.00 and 5,177.79

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Solution

The fourth proportional to 5,825.79, 8,051.00 and 5,177.79 is: 7,155.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,825.79 : 8,051.00 = 5,177.79 : x
  2. Step 2: Convert to fraction form
    5,825.79/8,051.00 = 5,177.79/x
  3. Step 3: Cross multiply
    5,825.79x = 8,051.00 × 5,177.79
  4. Step 4: Simplify right side
    5,825.79x = 41,686,361.40
  5. Step 5: Solve for x
    x = 41,686,361.40/5,825.79
  6. Step 6: Final answer
    x = 7,155.49

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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.