Home / 5,603.25-7,732.40-3,085.34

Finding the Fourth Proportional to 5,603.25, 7,732.40 and 3,085.34

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Solution

The fourth proportional to 5,603.25, 7,732.40 and 3,085.34 is: 4,257.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,603.25 : 7,732.40 = 3,085.34 : x
  2. Step 2: Convert to fraction form
    5,603.25/7,732.40 = 3,085.34/x
  3. Step 3: Cross multiply
    5,603.25x = 7,732.40 × 3,085.34
  4. Step 4: Simplify right side
    5,603.25x = 23,857,028.93
  5. Step 5: Solve for x
    x = 23,857,028.93/5,603.25
  6. Step 6: Final answer
    x = 4,257.71

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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.