Home / 5,342.07-7,372.01-3,105.25

Finding the Fourth Proportional to 5,342.07, 7,372.01 and 3,105.25

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Solution

The fourth proportional to 5,342.07, 7,372.01 and 3,105.25 is: 4,285.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,342.07 : 7,372.01 = 3,105.25 : x
  2. Step 2: Convert to fraction form
    5,342.07/7,372.01 = 3,105.25/x
  3. Step 3: Cross multiply
    5,342.07x = 7,372.01 × 3,105.25
  4. Step 4: Simplify right side
    5,342.07x = 22,891,964.85
  5. Step 5: Solve for x
    x = 22,891,964.85/5,342.07
  6. Step 6: Final answer
    x = 4,285.23

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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.