Home / 4,992.76-6,889.62-2,897.02

Finding the Fourth Proportional to 4,992.76, 6,889.62 and 2,897.02

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Solution

The fourth proportional to 4,992.76, 6,889.62 and 2,897.02 is: 3,997.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,992.76 : 6,889.62 = 2,897.02 : x
  2. Step 2: Convert to fraction form
    4,992.76/6,889.62 = 2,897.02/x
  3. Step 3: Cross multiply
    4,992.76x = 6,889.62 × 2,897.02
  4. Step 4: Simplify right side
    4,992.76x = 19,959,366.93
  5. Step 5: Solve for x
    x = 19,959,366.93/4,992.76
  6. Step 6: Final answer
    x = 3,997.66

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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.