Home / 4,531.42-6,791.05-2,970.75

Finding the Fourth Proportional to 4,531.42, 6,791.05 and 2,970.75

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Solution

The fourth proportional to 4,531.42, 6,791.05 and 2,970.75 is: 4,452.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,531.42 : 6,791.05 = 2,970.75 : x
  2. Step 2: Convert to fraction form
    4,531.42/6,791.05 = 2,970.75/x
  3. Step 3: Cross multiply
    4,531.42x = 6,791.05 × 2,970.75
  4. Step 4: Simplify right side
    4,531.42x = 20,174,511.79
  5. Step 5: Solve for x
    x = 20,174,511.79/4,531.42
  6. Step 6: Final answer
    x = 4,452.14

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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.