Home / 5,059.00-6,981.45-2,820.97

Finding the Fourth Proportional to 5,059.00, 6,981.45 and 2,820.97

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Solution

The fourth proportional to 5,059.00, 6,981.45 and 2,820.97 is: 3,892.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,059.00 : 6,981.45 = 2,820.97 : x
  2. Step 2: Convert to fraction form
    5,059.00/6,981.45 = 2,820.97/x
  3. Step 3: Cross multiply
    5,059.00x = 6,981.45 × 2,820.97
  4. Step 4: Simplify right side
    5,059.00x = 19,694,471.41
  5. Step 5: Solve for x
    x = 19,694,471.41/5,059.00
  6. Step 6: Final answer
    x = 3,892.96

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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.