Home / 4,781.91-7,172.87-1,701.75

Finding the Fourth Proportional to 4,781.91, 7,172.87 and 1,701.75

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Solution

The fourth proportional to 4,781.91, 7,172.87 and 1,701.75 is: 2,552.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,781.91 : 7,172.87 = 1,701.75 : x
  2. Step 2: Convert to fraction form
    4,781.91/7,172.87 = 1,701.75/x
  3. Step 3: Cross multiply
    4,781.91x = 7,172.87 × 1,701.75
  4. Step 4: Simplify right side
    4,781.91x = 12,206,423.01
  5. Step 5: Solve for x
    x = 12,206,423.01/4,781.91
  6. Step 6: Final answer
    x = 2,552.63

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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.