Home / 4,874.12-6,726.30-2,778.26

Finding the Fourth Proportional to 4,874.12, 6,726.30 and 2,778.26

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Solution

The fourth proportional to 4,874.12, 6,726.30 and 2,778.26 is: 3,834.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,874.12 : 6,726.30 = 2,778.26 : x
  2. Step 2: Convert to fraction form
    4,874.12/6,726.30 = 2,778.26/x
  3. Step 3: Cross multiply
    4,874.12x = 6,726.30 × 2,778.26
  4. Step 4: Simplify right side
    4,874.12x = 18,687,410.24
  5. Step 5: Solve for x
    x = 18,687,410.24/4,874.12
  6. Step 6: Final answer
    x = 3,834.01

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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.