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Finding the Fourth Proportional to 2,774.22, 4,160.58 and 925.39

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Solution

The fourth proportional to 2,774.22, 4,160.58 and 925.39 is: 1,387.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,774.22 : 4,160.58 = 925.39 : x
  2. Step 2: Convert to fraction form
    2,774.22/4,160.58 = 925.39/x
  3. Step 3: Cross multiply
    2,774.22x = 4,160.58 × 925.39
  4. Step 4: Simplify right side
    2,774.22x = 3,850,159.13
  5. Step 5: Solve for x
    x = 3,850,159.13/2,774.22
  6. Step 6: Final answer
    x = 1,387.83

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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.