Home / 4,942.32-6,820.11-2,817.56

Finding the Fourth Proportional to 4,942.32, 6,820.11 and 2,817.56

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Solution

The fourth proportional to 4,942.32, 6,820.11 and 2,817.56 is: 3,888.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,942.32 : 6,820.11 = 2,817.56 : x
  2. Step 2: Convert to fraction form
    4,942.32/6,820.11 = 2,817.56/x
  3. Step 3: Cross multiply
    4,942.32x = 6,820.11 × 2,817.56
  4. Step 4: Simplify right side
    4,942.32x = 19,216,035.03
  5. Step 5: Solve for x
    x = 19,216,035.03/4,942.32
  6. Step 6: Final answer
    x = 3,888.06

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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.