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Finding the Fourth Proportional to 4,874.15, 7,311.03 and 1,364.15

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Solution

The fourth proportional to 4,874.15, 7,311.03 and 1,364.15 is: 2,046.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,874.15 : 7,311.03 = 1,364.15 : x
  2. Step 2: Convert to fraction form
    4,874.15/7,311.03 = 1,364.15/x
  3. Step 3: Cross multiply
    4,874.15x = 7,311.03 × 1,364.15
  4. Step 4: Simplify right side
    4,874.15x = 9,973,305.02
  5. Step 5: Solve for x
    x = 9,973,305.02/4,874.15
  6. Step 6: Final answer
    x = 2,046.17

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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.