Home / 5,690.58-7,854.26-3,697.68

Finding the Fourth Proportional to 5,690.58, 7,854.26 and 3,697.68

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Solution

The fourth proportional to 5,690.58, 7,854.26 and 3,697.68 is: 5,103.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,690.58 : 7,854.26 = 3,697.68 : x
  2. Step 2: Convert to fraction form
    5,690.58/7,854.26 = 3,697.68/x
  3. Step 3: Cross multiply
    5,690.58x = 7,854.26 × 3,697.68
  4. Step 4: Simplify right side
    5,690.58x = 29,042,520.77
  5. Step 5: Solve for x
    x = 29,042,520.77/5,690.58
  6. Step 6: Final answer
    x = 5,103.61

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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.