Home / 4,714.28-7,071.56-2,249.36

Finding the Fourth Proportional to 4,714.28, 7,071.56 and 2,249.36

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Solution

The fourth proportional to 4,714.28, 7,071.56 and 2,249.36 is: 3,374.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,714.28 : 7,071.56 = 2,249.36 : x
  2. Step 2: Convert to fraction form
    4,714.28/7,071.56 = 2,249.36/x
  3. Step 3: Cross multiply
    4,714.28x = 7,071.56 × 2,249.36
  4. Step 4: Simplify right side
    4,714.28x = 15,906,484.20
  5. Step 5: Solve for x
    x = 15,906,484.20/4,714.28
  6. Step 6: Final answer
    x = 3,374.11

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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.