Home / 5,360.31-8,039.84-2,238.42

Finding the Fourth Proportional to 5,360.31, 8,039.84 and 2,238.42

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Solution

The fourth proportional to 5,360.31, 8,039.84 and 2,238.42 is: 3,357.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,360.31 : 8,039.84 = 2,238.42 : x
  2. Step 2: Convert to fraction form
    5,360.31/8,039.84 = 2,238.42/x
  3. Step 3: Cross multiply
    5,360.31x = 8,039.84 × 2,238.42
  4. Step 4: Simplify right side
    5,360.31x = 17,996,527.46
  5. Step 5: Solve for x
    x = 17,996,527.46/5,360.31
  6. Step 6: Final answer
    x = 3,357.37

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1.5x scale

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.