Home / 4,932.21-6,806.64-2,807.94

Finding the Fourth Proportional to 4,932.21, 6,806.64 and 2,807.94

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Solution

The fourth proportional to 4,932.21, 6,806.64 and 2,807.94 is: 3,875.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,932.21 : 6,806.64 = 2,807.94 : x
  2. Step 2: Convert to fraction form
    4,932.21/6,806.64 = 2,807.94/x
  3. Step 3: Cross multiply
    4,932.21x = 6,806.64 × 2,807.94
  4. Step 4: Simplify right side
    4,932.21x = 19,112,636.72
  5. Step 5: Solve for x
    x = 19,112,636.72/4,932.21
  6. Step 6: Final answer
    x = 3,875.07

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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.