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Finding the Fourth Proportional to 5,114.77, 7,671.92 and 1,604.23

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Solution

The fourth proportional to 5,114.77, 7,671.92 and 1,604.23 is: 2,406.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,114.77 : 7,671.92 = 1,604.23 : x
  2. Step 2: Convert to fraction form
    5,114.77/7,671.92 = 1,604.23/x
  3. Step 3: Cross multiply
    5,114.77x = 7,671.92 × 1,604.23
  4. Step 4: Simplify right side
    5,114.77x = 12,307,518.60
  5. Step 5: Solve for x
    x = 12,307,518.60/5,114.77
  6. Step 6: Final answer
    x = 2,406.27

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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.