Home / 4,972.15-6,861.65-2,734.12

Finding the Fourth Proportional to 4,972.15, 6,861.65 and 2,734.12

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Solution

The fourth proportional to 4,972.15, 6,861.65 and 2,734.12 is: 3,773.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,972.15 : 6,861.65 = 2,734.12 : x
  2. Step 2: Convert to fraction form
    4,972.15/6,861.65 = 2,734.12/x
  3. Step 3: Cross multiply
    4,972.15x = 6,861.65 × 2,734.12
  4. Step 4: Simplify right side
    4,972.15x = 18,760,553.93
  5. Step 5: Solve for x
    x = 18,760,553.93/4,972.15
  6. Step 6: Final answer
    x = 3,773.13

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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.