Home / 4,472.12-6,171.50-2,455.56

Finding the Fourth Proportional to 4,472.12, 6,171.50 and 2,455.56

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Solution

The fourth proportional to 4,472.12, 6,171.50 and 2,455.56 is: 3,388.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,472.12 : 6,171.50 = 2,455.56 : x
  2. Step 2: Convert to fraction form
    4,472.12/6,171.50 = 2,455.56/x
  3. Step 3: Cross multiply
    4,472.12x = 6,171.50 × 2,455.56
  4. Step 4: Simplify right side
    4,472.12x = 15,154,488.54
  5. Step 5: Solve for x
    x = 15,154,488.54/4,472.12
  6. Step 6: Final answer
    x = 3,388.66

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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.