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Finding the Fourth Proportional to 2,594.59, 3,891.57 and 745.66

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Solution

The fourth proportional to 2,594.59, 3,891.57 and 745.66 is: 1,118.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,594.59 : 3,891.57 = 745.66 : x
  2. Step 2: Convert to fraction form
    2,594.59/3,891.57 = 745.66/x
  3. Step 3: Cross multiply
    2,594.59x = 3,891.57 × 745.66
  4. Step 4: Simplify right side
    2,594.59x = 2,901,788.09
  5. Step 5: Solve for x
    x = 2,901,788.09/2,594.59
  6. Step 6: Final answer
    x = 1,118.40

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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.