Home / 5,429.72-7,497.62-3,443.81

Finding the Fourth Proportional to 5,429.72, 7,497.62 and 3,443.81

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Solution

The fourth proportional to 5,429.72, 7,497.62 and 3,443.81 is: 4,755.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429.72 : 7,497.62 = 3,443.81 : x
  2. Step 2: Convert to fraction form
    5,429.72/7,497.62 = 3,443.81/x
  3. Step 3: Cross multiply
    5,429.72x = 7,497.62 × 3,443.81
  4. Step 4: Simplify right side
    5,429.72x = 25,820,324.03
  5. Step 5: Solve for x
    x = 25,820,324.03/5,429.72
  6. Step 6: Final answer
    x = 4,755.37

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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.