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Finding the Fourth Proportional to 3,503.93, 4,825.31 and 3,281.58

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Solution

The fourth proportional to 3,503.93, 4,825.31 and 3,281.58 is: 4,519.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,503.93 : 4,825.31 = 3,281.58 : x
  2. Step 2: Convert to fraction form
    3,503.93/4,825.31 = 3,281.58/x
  3. Step 3: Cross multiply
    3,503.93x = 4,825.31 × 3,281.58
  4. Step 4: Simplify right side
    3,503.93x = 15,834,624.38
  5. Step 5: Solve for x
    x = 15,834,624.38/3,503.93
  6. Step 6: Final answer
    x = 4,519.11

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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.