Home / 3,191.27-4,404.58-2,070.63

Finding the Fourth Proportional to 3,191.27, 4,404.58 and 2,070.63

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Solution

The fourth proportional to 3,191.27, 4,404.58 and 2,070.63 is: 2,857.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191.27 : 4,404.58 = 2,070.63 : x
  2. Step 2: Convert to fraction form
    3,191.27/4,404.58 = 2,070.63/x
  3. Step 3: Cross multiply
    3,191.27x = 4,404.58 × 2,070.63
  4. Step 4: Simplify right side
    3,191.27x = 9,120,250.31
  5. Step 5: Solve for x
    x = 9,120,250.31/3,191.27
  6. Step 6: Final answer
    x = 2,857.88

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Half scale
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Double scale
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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.