Home / 5,357.82-8,038.70-2,238.14

Finding the Fourth Proportional to 5,357.82, 8,038.70 and 2,238.14

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Solution

The fourth proportional to 5,357.82, 8,038.70 and 2,238.14 is: 3,358.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,357.82 : 8,038.70 = 2,238.14 : x
  2. Step 2: Convert to fraction form
    5,357.82/8,038.70 = 2,238.14/x
  3. Step 3: Cross multiply
    5,357.82x = 8,038.70 × 2,238.14
  4. Step 4: Simplify right side
    5,357.82x = 17,991,736.02
  5. Step 5: Solve for x
    x = 17,991,736.02/5,357.82
  6. Step 6: Final answer
    x = 3,358.03

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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.