Home / 4,781.10-7,171.65-3,485.10

Finding the Fourth Proportional to 4,781.10, 7,171.65 and 3,485.10

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Solution

The fourth proportional to 4,781.10, 7,171.65 and 3,485.10 is: 5,227.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,781.10 : 7,171.65 = 3,485.10 : x
  2. Step 2: Convert to fraction form
    4,781.10/7,171.65 = 3,485.10/x
  3. Step 3: Cross multiply
    4,781.10x = 7,171.65 × 3,485.10
  4. Step 4: Simplify right side
    4,781.10x = 24,993,917.42
  5. Step 5: Solve for x
    x = 24,993,917.42/4,781.10
  6. Step 6: Final answer
    x = 5,227.65

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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.