Home / 5,046.63-6,964.47-2,808.72

Finding the Fourth Proportional to 5,046.63, 6,964.47 and 2,808.72

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Solution

The fourth proportional to 5,046.63, 6,964.47 and 2,808.72 is: 3,876.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,046.63 : 6,964.47 = 2,808.72 : x
  2. Step 2: Convert to fraction form
    5,046.63/6,964.47 = 2,808.72/x
  3. Step 3: Cross multiply
    5,046.63x = 6,964.47 × 2,808.72
  4. Step 4: Simplify right side
    5,046.63x = 19,561,246.18
  5. Step 5: Solve for x
    x = 19,561,246.18/5,046.63
  6. Step 6: Final answer
    x = 3,876.10

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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.