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Finding the Fourth Proportional to 3,582.54, 5,394.84 and 3,125.79

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Solution

The fourth proportional to 3,582.54, 5,394.84 and 3,125.79 is: 4,707.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,582.54 : 5,394.84 = 3,125.79 : x
  2. Step 2: Convert to fraction form
    3,582.54/5,394.84 = 3,125.79/x
  3. Step 3: Cross multiply
    3,582.54x = 5,394.84 × 3,125.79
  4. Step 4: Simplify right side
    3,582.54x = 16,863,136.92
  5. Step 5: Solve for x
    x = 16,863,136.92/3,582.54
  6. Step 6: Final answer
    x = 4,707.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.