Home / 3,623.74-5,432.54-1,434.01

Finding the Fourth Proportional to 3,623.74, 5,432.54 and 1,434.01

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Solution

The fourth proportional to 3,623.74, 5,432.54 and 1,434.01 is: 2,149.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,623.74 : 5,432.54 = 1,434.01 : x
  2. Step 2: Convert to fraction form
    3,623.74/5,432.54 = 1,434.01/x
  3. Step 3: Cross multiply
    3,623.74x = 5,432.54 × 1,434.01
  4. Step 4: Simplify right side
    3,623.74x = 7,790,316.69
  5. Step 5: Solve for x
    x = 7,790,316.69/3,623.74
  6. Step 6: Final answer
    x = 2,149.80

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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.