Home / 5,012.89-7,515.92-2,542.95

Finding the Fourth Proportional to 5,012.89, 7,515.92 and 2,542.95

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Solution

The fourth proportional to 5,012.89, 7,515.92 and 2,542.95 is: 3,812.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,012.89 : 7,515.92 = 2,542.95 : x
  2. Step 2: Convert to fraction form
    5,012.89/7,515.92 = 2,542.95/x
  3. Step 3: Cross multiply
    5,012.89x = 7,515.92 × 2,542.95
  4. Step 4: Simplify right side
    5,012.89x = 19,112,615.12
  5. Step 5: Solve for x
    x = 19,112,615.12/5,012.89
  6. Step 6: Final answer
    x = 3,812.69

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1.5x scale

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.