Home / 5,125.54-7,073.77-3,137.41

Finding the Fourth Proportional to 5,125.54, 7,073.77 and 3,137.41

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Solution

The fourth proportional to 5,125.54, 7,073.77 and 3,137.41 is: 4,329.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,125.54 : 7,073.77 = 3,137.41 : x
  2. Step 2: Convert to fraction form
    5,125.54/7,073.77 = 3,137.41/x
  3. Step 3: Cross multiply
    5,125.54x = 7,073.77 × 3,137.41
  4. Step 4: Simplify right side
    5,125.54x = 22,193,316.74
  5. Step 5: Solve for x
    x = 22,193,316.74/5,125.54
  6. Step 6: Final answer
    x = 4,329.95

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1.5x scale

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.