Home / 2,892.07-4,334.01-2,113.86

Finding the Fourth Proportional to 2,892.07, 4,334.01 and 2,113.86

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Solution

The fourth proportional to 2,892.07, 4,334.01 and 2,113.86 is: 3,167.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,892.07 : 4,334.01 = 2,113.86 : x
  2. Step 2: Convert to fraction form
    2,892.07/4,334.01 = 2,113.86/x
  3. Step 3: Cross multiply
    2,892.07x = 4,334.01 × 2,113.86
  4. Step 4: Simplify right side
    2,892.07x = 9,161,498.70
  5. Step 5: Solve for x
    x = 9,161,498.70/2,892.07
  6. Step 6: Final answer
    x = 3,167.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.