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Finding the Fourth Proportional to 5,658.94, 7,805.77 and 3,504.97

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Solution

The fourth proportional to 5,658.94, 7,805.77 and 3,504.97 is: 4,834.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,658.94 : 7,805.77 = 3,504.97 : x
  2. Step 2: Convert to fraction form
    5,658.94/7,805.77 = 3,504.97/x
  3. Step 3: Cross multiply
    5,658.94x = 7,805.77 × 3,504.97
  4. Step 4: Simplify right side
    5,658.94x = 27,358,990.67
  5. Step 5: Solve for x
    x = 27,358,990.67/5,658.94
  6. Step 6: Final answer
    x = 4,834.65

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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.