Home / 5,445.73-7,514.97-3,177.49

Finding the Fourth Proportional to 5,445.73, 7,514.97 and 3,177.49

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Solution

The fourth proportional to 5,445.73, 7,514.97 and 3,177.49 is: 4,384.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445.73 : 7,514.97 = 3,177.49 : x
  2. Step 2: Convert to fraction form
    5,445.73/7,514.97 = 3,177.49/x
  3. Step 3: Cross multiply
    5,445.73x = 7,514.97 × 3,177.49
  4. Step 4: Simplify right side
    5,445.73x = 23,878,742.03
  5. Step 5: Solve for x
    x = 23,878,742.03/5,445.73
  6. Step 6: Final answer
    x = 4,384.86

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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.