Home / 4,992.16-6,888.45-2,867.79

Finding the Fourth Proportional to 4,992.16, 6,888.45 and 2,867.79

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Solution

The fourth proportional to 4,992.16, 6,888.45 and 2,867.79 is: 3,957.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,992.16 : 6,888.45 = 2,867.79 : x
  2. Step 2: Convert to fraction form
    4,992.16/6,888.45 = 2,867.79/x
  3. Step 3: Cross multiply
    4,992.16x = 6,888.45 × 2,867.79
  4. Step 4: Simplify right side
    4,992.16x = 19,754,628.03
  5. Step 5: Solve for x
    x = 19,754,628.03/4,992.16
  6. Step 6: Final answer
    x = 3,957.13

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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.