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Finding the Fourth Proportional to 5,182.18, 7,773.77 and 5,101.79

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Solution

The fourth proportional to 5,182.18, 7,773.77 and 5,101.79 is: 7,653.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,182.18 : 7,773.77 = 5,101.79 : x
  2. Step 2: Convert to fraction form
    5,182.18/7,773.77 = 5,101.79/x
  3. Step 3: Cross multiply
    5,182.18x = 7,773.77 × 5,101.79
  4. Step 4: Simplify right side
    5,182.18x = 39,660,115.93
  5. Step 5: Solve for x
    x = 39,660,115.93/5,182.18
  6. Step 6: Final answer
    x = 7,653.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.