Home / 5,137.48-7,708.38-2,672.92

Finding the Fourth Proportional to 5,137.48, 7,708.38 and 2,672.92

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Solution

The fourth proportional to 5,137.48, 7,708.38 and 2,672.92 is: 4,010.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,137.48 : 7,708.38 = 2,672.92 : x
  2. Step 2: Convert to fraction form
    5,137.48/7,708.38 = 2,672.92/x
  3. Step 3: Cross multiply
    5,137.48x = 7,708.38 × 2,672.92
  4. Step 4: Simplify right side
    5,137.48x = 20,603,883.07
  5. Step 5: Solve for x
    x = 20,603,883.07/5,137.48
  6. Step 6: Final answer
    x = 4,010.50

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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.