Home / 3,514.04-5,255.56-3,126.78

Finding the Fourth Proportional to 3,514.04, 5,255.56 and 3,126.78

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Solution

The fourth proportional to 3,514.04, 5,255.56 and 3,126.78 is: 4,676.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,514.04 : 5,255.56 = 3,126.78 : x
  2. Step 2: Convert to fraction form
    3,514.04/5,255.56 = 3,126.78/x
  3. Step 3: Cross multiply
    3,514.04x = 5,255.56 × 3,126.78
  4. Step 4: Simplify right side
    3,514.04x = 16,432,979.90
  5. Step 5: Solve for x
    x = 16,432,979.90/3,514.04
  6. Step 6: Final answer
    x = 4,676.38

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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.