Home / 5,759.40-8,631.84-2,468.64

Finding the Fourth Proportional to 5,759.40, 8,631.84 and 2,468.64

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Solution

The fourth proportional to 5,759.40, 8,631.84 and 2,468.64 is: 3,699.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,759.40 : 8,631.84 = 2,468.64 : x
  2. Step 2: Convert to fraction form
    5,759.40/8,631.84 = 2,468.64/x
  3. Step 3: Cross multiply
    5,759.40x = 8,631.84 × 2,468.64
  4. Step 4: Simplify right side
    5,759.40x = 21,308,905.50
  5. Step 5: Solve for x
    x = 21,308,905.50/5,759.40
  6. Step 6: Final answer
    x = 3,699.85

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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.