Home / 4,992.70-6,887.91-3,102.94

Finding the Fourth Proportional to 4,992.70, 6,887.91 and 3,102.94

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Solution

The fourth proportional to 4,992.70, 6,887.91 and 3,102.94 is: 4,280.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,992.70 : 6,887.91 = 3,102.94 : x
  2. Step 2: Convert to fraction form
    4,992.70/6,887.91 = 3,102.94/x
  3. Step 3: Cross multiply
    4,992.70x = 6,887.91 × 3,102.94
  4. Step 4: Simplify right side
    4,992.70x = 21,372,771.46
  5. Step 5: Solve for x
    x = 21,372,771.46/4,992.70
  6. Step 6: Final answer
    x = 4,280.80

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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.