Home / 4,939.11-6,815.95-2,700.95

Finding the Fourth Proportional to 4,939.11, 6,815.95 and 2,700.95

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Solution

The fourth proportional to 4,939.11, 6,815.95 and 2,700.95 is: 3,727.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,939.11 : 6,815.95 = 2,700.95 : x
  2. Step 2: Convert to fraction form
    4,939.11/6,815.95 = 2,700.95/x
  3. Step 3: Cross multiply
    4,939.11x = 6,815.95 × 2,700.95
  4. Step 4: Simplify right side
    4,939.11x = 18,409,499.32
  5. Step 5: Solve for x
    x = 18,409,499.32/4,939.11
  6. Step 6: Final answer
    x = 3,727.29

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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.