Home / 4,950.90-6,832.86-2,855.04

Finding the Fourth Proportional to 4,950.90, 6,832.86 and 2,855.04

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Solution

The fourth proportional to 4,950.90, 6,832.86 and 2,855.04 is: 3,940.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,950.90 : 6,832.86 = 2,855.04 : x
  2. Step 2: Convert to fraction form
    4,950.90/6,832.86 = 2,855.04/x
  3. Step 3: Cross multiply
    4,950.90x = 6,832.86 × 2,855.04
  4. Step 4: Simplify right side
    4,950.90x = 19,508,088.61
  5. Step 5: Solve for x
    x = 19,508,088.61/4,950.90
  6. Step 6: Final answer
    x = 3,940.31

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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.