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Finding the Fourth Proportional to 3,485.43, 4,813 and 2,599.69

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Solution

The fourth proportional to 3,485.43, 4,813 and 2,599.69 is: 3,589.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.43 : 4,813 = 2,599.69 : x
  2. Step 2: Convert to fraction form
    3,485.43/4,813 = 2,599.69/x
  3. Step 3: Cross multiply
    3,485.43x = 4,813 × 2,599.69
  4. Step 4: Simplify right side
    3,485.43x = 12,512,307.97
  5. Step 5: Solve for x
    x = 12,512,307.97/3,485.43
  6. Step 6: Final answer
    x = 3,589.89

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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.