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Finding the Fourth Proportional to 2,071.97, 3,107.95 and 591.22

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Solution

The fourth proportional to 2,071.97, 3,107.95 and 591.22 is: 886.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,071.97 : 3,107.95 = 591.22 : x
  2. Step 2: Convert to fraction form
    2,071.97/3,107.95 = 591.22/x
  3. Step 3: Cross multiply
    2,071.97x = 3,107.95 × 591.22
  4. Step 4: Simplify right side
    2,071.97x = 1,837,482.20
  5. Step 5: Solve for x
    x = 1,837,482.20/2,071.97
  6. Step 6: Final answer
    x = 886.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.