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Finding the Fourth Proportional to 5,799.35, 8,698.93 and 1,639.60

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Solution

The fourth proportional to 5,799.35, 8,698.93 and 1,639.60 is: 2,459.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,799.35 : 8,698.93 = 1,639.60 : x
  2. Step 2: Convert to fraction form
    5,799.35/8,698.93 = 1,639.60/x
  3. Step 3: Cross multiply
    5,799.35x = 8,698.93 × 1,639.60
  4. Step 4: Simplify right side
    5,799.35x = 14,262,739.78
  5. Step 5: Solve for x
    x = 14,262,739.78/5,799.35
  6. Step 6: Final answer
    x = 2,459.37

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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.