Home / 4,866.12-6,712.20-3,187.62

Finding the Fourth Proportional to 4,866.12, 6,712.20 and 3,187.62

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Solution

The fourth proportional to 4,866.12, 6,712.20 and 3,187.62 is: 4,396.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,866.12 : 6,712.20 = 3,187.62 : x
  2. Step 2: Convert to fraction form
    4,866.12/6,712.20 = 3,187.62/x
  3. Step 3: Cross multiply
    4,866.12x = 6,712.20 × 3,187.62
  4. Step 4: Simplify right side
    4,866.12x = 21,395,942.96
  5. Step 5: Solve for x
    x = 21,395,942.96/4,866.12
  6. Step 6: Final answer
    x = 4,396.92

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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.