Home / 5,854.76-8,785.32-2,156.44

Finding the Fourth Proportional to 5,854.76, 8,785.32 and 2,156.44

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Solution

The fourth proportional to 5,854.76, 8,785.32 and 2,156.44 is: 3,235.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,854.76 : 8,785.32 = 2,156.44 : x
  2. Step 2: Convert to fraction form
    5,854.76/8,785.32 = 2,156.44/x
  3. Step 3: Cross multiply
    5,854.76x = 8,785.32 × 2,156.44
  4. Step 4: Simplify right side
    5,854.76x = 18,945,015.46
  5. Step 5: Solve for x
    x = 18,945,015.46/5,854.76
  6. Step 6: Final answer
    x = 3,235.83

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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.