Home / 5,046.86-6,964.34-2,808.64

Finding the Fourth Proportional to 5,046.86, 6,964.34 and 2,808.64

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Solution

The fourth proportional to 5,046.86, 6,964.34 and 2,808.64 is: 3,875.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,046.86 : 6,964.34 = 2,808.64 : x
  2. Step 2: Convert to fraction form
    5,046.86/6,964.34 = 2,808.64/x
  3. Step 3: Cross multiply
    5,046.86x = 6,964.34 × 2,808.64
  4. Step 4: Simplify right side
    5,046.86x = 19,560,323.90
  5. Step 5: Solve for x
    x = 19,560,323.90/5,046.86
  6. Step 6: Final answer
    x = 3,875.74

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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.