Home / 3,135.92-4,695.98-2,651.13

Finding the Fourth Proportional to 3,135.92, 4,695.98 and 2,651.13

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Solution

The fourth proportional to 3,135.92, 4,695.98 and 2,651.13 is: 3,970.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.92 : 4,695.98 = 2,651.13 : x
  2. Step 2: Convert to fraction form
    3,135.92/4,695.98 = 2,651.13/x
  3. Step 3: Cross multiply
    3,135.92x = 4,695.98 × 2,651.13
  4. Step 4: Simplify right side
    3,135.92x = 12,449,640.20
  5. Step 5: Solve for x
    x = 12,449,640.20/3,135.92
  6. Step 6: Final answer
    x = 3,970.02

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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.