Home / 4,909.17-6,772.85-3,231.54

Finding the Fourth Proportional to 4,909.17, 6,772.85 and 3,231.54

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Solution

The fourth proportional to 4,909.17, 6,772.85 and 3,231.54 is: 4,458.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,909.17 : 6,772.85 = 3,231.54 : x
  2. Step 2: Convert to fraction form
    4,909.17/6,772.85 = 3,231.54/x
  3. Step 3: Cross multiply
    4,909.17x = 6,772.85 × 3,231.54
  4. Step 4: Simplify right side
    4,909.17x = 21,886,719.53
  5. Step 5: Solve for x
    x = 21,886,719.53/4,909.17
  6. Step 6: Final answer
    x = 4,458.33

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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.