Home / 5,195.14-7,168.50-2,956.91

Finding the Fourth Proportional to 5,195.14, 7,168.50 and 2,956.91

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Solution

The fourth proportional to 5,195.14, 7,168.50 and 2,956.91 is: 4,080.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,195.14 : 7,168.50 = 2,956.91 : x
  2. Step 2: Convert to fraction form
    5,195.14/7,168.50 = 2,956.91/x
  3. Step 3: Cross multiply
    5,195.14x = 7,168.50 × 2,956.91
  4. Step 4: Simplify right side
    5,195.14x = 21,196,573.49
  5. Step 5: Solve for x
    x = 21,196,573.49/5,195.14
  6. Step 6: Final answer
    x = 4,080.08

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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.