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Finding the Fourth Proportional to 4,214.53, 5,813.71 and 2,621.44

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Solution

The fourth proportional to 4,214.53, 5,813.71 and 2,621.44 is: 3,616.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,214.53 : 5,813.71 = 2,621.44 : x
  2. Step 2: Convert to fraction form
    4,214.53/5,813.71 = 2,621.44/x
  3. Step 3: Cross multiply
    4,214.53x = 5,813.71 × 2,621.44
  4. Step 4: Simplify right side
    4,214.53x = 15,240,291.94
  5. Step 5: Solve for x
    x = 15,240,291.94/4,214.53
  6. Step 6: Final answer
    x = 3,616.13

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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.