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Finding the Fourth Proportional to 5,604.66, 7,734.95 and 3,087.29

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Solution

The fourth proportional to 5,604.66, 7,734.95 and 3,087.29 is: 4,260.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,604.66 : 7,734.95 = 3,087.29 : x
  2. Step 2: Convert to fraction form
    5,604.66/7,734.95 = 3,087.29/x
  3. Step 3: Cross multiply
    5,604.66x = 7,734.95 × 3,087.29
  4. Step 4: Simplify right side
    5,604.66x = 23,879,979.67
  5. Step 5: Solve for x
    x = 23,879,979.67/5,604.66
  6. Step 6: Final answer
    x = 4,260.74

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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.