Home / 5,274.40-7,272.72-4,491.04

Finding the Fourth Proportional to 5,274.40, 7,272.72 and 4,491.04

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Solution

The fourth proportional to 5,274.40, 7,272.72 and 4,491.04 is: 6,192.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,274.40 : 7,272.72 = 4,491.04 : x
  2. Step 2: Convert to fraction form
    5,274.40/7,272.72 = 4,491.04/x
  3. Step 3: Cross multiply
    5,274.40x = 7,272.72 × 4,491.04
  4. Step 4: Simplify right side
    5,274.40x = 32,662,076.43
  5. Step 5: Solve for x
    x = 32,662,076.43/5,274.40
  6. Step 6: Final answer
    x = 6,192.57

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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.