Home / 5,273.18-7,909.71-2,154.86

Finding the Fourth Proportional to 5,273.18, 7,909.71 and 2,154.86

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Solution

The fourth proportional to 5,273.18, 7,909.71 and 2,154.86 is: 3,232.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,273.18 : 7,909.71 = 2,154.86 : x
  2. Step 2: Convert to fraction form
    5,273.18/7,909.71 = 2,154.86/x
  3. Step 3: Cross multiply
    5,273.18x = 7,909.71 × 2,154.86
  4. Step 4: Simplify right side
    5,273.18x = 17,044,317.69
  5. Step 5: Solve for x
    x = 17,044,317.69/5,273.18
  6. Step 6: Final answer
    x = 3,232.27

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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.