Home / 4,542.11-6,813.18-1,255.47

Finding the Fourth Proportional to 4,542.11, 6,813.18 and 1,255.47

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Solution

The fourth proportional to 4,542.11, 6,813.18 and 1,255.47 is: 1,883.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,542.11 : 6,813.18 = 1,255.47 : x
  2. Step 2: Convert to fraction form
    4,542.11/6,813.18 = 1,255.47/x
  3. Step 3: Cross multiply
    4,542.11x = 6,813.18 × 1,255.47
  4. Step 4: Simplify right side
    4,542.11x = 8,553,717.55
  5. Step 5: Solve for x
    x = 8,553,717.55/4,542.11
  6. Step 6: Final answer
    x = 1,883.20

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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.