Home / 5,060.12-6,982.76-2,821.88

Finding the Fourth Proportional to 5,060.12, 6,982.76 and 2,821.88

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Solution

The fourth proportional to 5,060.12, 6,982.76 and 2,821.88 is: 3,894.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,060.12 : 6,982.76 = 2,821.88 : x
  2. Step 2: Convert to fraction form
    5,060.12/6,982.76 = 2,821.88/x
  3. Step 3: Cross multiply
    5,060.12x = 6,982.76 × 2,821.88
  4. Step 4: Simplify right side
    5,060.12x = 19,704,535.30
  5. Step 5: Solve for x
    x = 19,704,535.30/5,060.12
  6. Step 6: Final answer
    x = 3,894.09

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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.