Home / 4,451.35-6,137.28-2,855.18

Finding the Fourth Proportional to 4,451.35, 6,137.28 and 2,855.18

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Solution

The fourth proportional to 4,451.35, 6,137.28 and 2,855.18 is: 3,936.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,451.35 : 6,137.28 = 2,855.18 : x
  2. Step 2: Convert to fraction form
    4,451.35/6,137.28 = 2,855.18/x
  3. Step 3: Cross multiply
    4,451.35x = 6,137.28 × 2,855.18
  4. Step 4: Simplify right side
    4,451.35x = 17,523,039.11
  5. Step 5: Solve for x
    x = 17,523,039.11/4,451.35
  6. Step 6: Final answer
    x = 3,936.57

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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.