Home / 4,734.10-7,105.20-2,105.65

Finding the Fourth Proportional to 4,734.10, 7,105.20 and 2,105.65

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Solution

The fourth proportional to 4,734.10, 7,105.20 and 2,105.65 is: 3,160.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,734.10 : 7,105.20 = 2,105.65 : x
  2. Step 2: Convert to fraction form
    4,734.10/7,105.20 = 2,105.65/x
  3. Step 3: Cross multiply
    4,734.10x = 7,105.20 × 2,105.65
  4. Step 4: Simplify right side
    4,734.10x = 14,961,064.38
  5. Step 5: Solve for x
    x = 14,961,064.38/4,734.10
  6. Step 6: Final answer
    x = 3,160.28

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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.