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Finding the Fourth Proportional to 5,711.58, 7,879.46 and 3,352.68

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Solution

The fourth proportional to 5,711.58, 7,879.46 and 3,352.68 is: 4,625.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,711.58 : 7,879.46 = 3,352.68 : x
  2. Step 2: Convert to fraction form
    5,711.58/7,879.46 = 3,352.68/x
  3. Step 3: Cross multiply
    5,711.58x = 7,879.46 × 3,352.68
  4. Step 4: Simplify right side
    5,711.58x = 26,417,291.19
  5. Step 5: Solve for x
    x = 26,417,291.19/5,711.58
  6. Step 6: Final answer
    x = 4,625.22

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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.