Home / 4,959.13-6,843.57-2,720.95

Finding the Fourth Proportional to 4,959.13, 6,843.57 and 2,720.95

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Solution

The fourth proportional to 4,959.13, 6,843.57 and 2,720.95 is: 3,754.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,959.13 : 6,843.57 = 2,720.95 : x
  2. Step 2: Convert to fraction form
    4,959.13/6,843.57 = 2,720.95/x
  3. Step 3: Cross multiply
    4,959.13x = 6,843.57 × 2,720.95
  4. Step 4: Simplify right side
    4,959.13x = 18,621,011.79
  5. Step 5: Solve for x
    x = 18,621,011.79/4,959.13
  6. Step 6: Final answer
    x = 3,754.89

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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.