Home / 3,651.95-5,043.85-2,454.86

Finding the Fourth Proportional to 3,651.95, 5,043.85 and 2,454.86

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Solution

The fourth proportional to 3,651.95, 5,043.85 and 2,454.86 is: 3,390.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,651.95 : 5,043.85 = 2,454.86 : x
  2. Step 2: Convert to fraction form
    3,651.95/5,043.85 = 2,454.86/x
  3. Step 3: Cross multiply
    3,651.95x = 5,043.85 × 2,454.86
  4. Step 4: Simplify right side
    3,651.95x = 12,381,908.12
  5. Step 5: Solve for x
    x = 12,381,908.12/3,651.95
  6. Step 6: Final answer
    x = 3,390.49

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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.