Home / 5,169.85-7,754.82-1,472.08

Finding the Fourth Proportional to 5,169.85, 7,754.82 and 1,472.08

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Solution

The fourth proportional to 5,169.85, 7,754.82 and 1,472.08 is: 2,208.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,169.85 : 7,754.82 = 1,472.08 : x
  2. Step 2: Convert to fraction form
    5,169.85/7,754.82 = 1,472.08/x
  3. Step 3: Cross multiply
    5,169.85x = 7,754.82 × 1,472.08
  4. Step 4: Simplify right side
    5,169.85x = 11,415,674.81
  5. Step 5: Solve for x
    x = 11,415,674.81/5,169.85
  6. Step 6: Final answer
    x = 2,208.13

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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.