Home / 4,813.47-6,627.15-4,192.20

Finding the Fourth Proportional to 4,813.47, 6,627.15 and 4,192.20

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Solution

The fourth proportional to 4,813.47, 6,627.15 and 4,192.20 is: 5,771.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,813.47 : 6,627.15 = 4,192.20 : x
  2. Step 2: Convert to fraction form
    4,813.47/6,627.15 = 4,192.20/x
  3. Step 3: Cross multiply
    4,813.47x = 6,627.15 × 4,192.20
  4. Step 4: Simplify right side
    4,813.47x = 27,782,338.23
  5. Step 5: Solve for x
    x = 27,782,338.23/4,813.47
  6. Step 6: Final answer
    x = 5,771.79

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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.