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Finding the Fourth Proportional to 3,607.92, 4,979.15 and 2,014.57

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Solution

The fourth proportional to 3,607.92, 4,979.15 and 2,014.57 is: 2,780.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,607.92 : 4,979.15 = 2,014.57 : x
  2. Step 2: Convert to fraction form
    3,607.92/4,979.15 = 2,014.57/x
  3. Step 3: Cross multiply
    3,607.92x = 4,979.15 × 2,014.57
  4. Step 4: Simplify right side
    3,607.92x = 10,030,857.00
  5. Step 5: Solve for x
    x = 10,030,857.00/3,607.92
  6. Step 6: Final answer
    x = 2,780.23

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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.