Home / 3,472.56-4,789.53-2,212.20

Finding the Fourth Proportional to 3,472.56, 4,789.53 and 2,212.20

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Solution

The fourth proportional to 3,472.56, 4,789.53 and 2,212.20 is: 3,051.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,472.56 : 4,789.53 = 2,212.20 : x
  2. Step 2: Convert to fraction form
    3,472.56/4,789.53 = 2,212.20/x
  3. Step 3: Cross multiply
    3,472.56x = 4,789.53 × 2,212.20
  4. Step 4: Simplify right side
    3,472.56x = 10,595,398.27
  5. Step 5: Solve for x
    x = 10,595,398.27/3,472.56
  6. Step 6: Final answer
    x = 3,051.18

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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.