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Finding the Fourth Proportional to 5,860.64, 8,087.64 and 3,208.16

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Solution

The fourth proportional to 5,860.64, 8,087.64 and 3,208.16 is: 4,427.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,860.64 : 8,087.64 = 3,208.16 : x
  2. Step 2: Convert to fraction form
    5,860.64/8,087.64 = 3,208.16/x
  3. Step 3: Cross multiply
    5,860.64x = 8,087.64 × 3,208.16
  4. Step 4: Simplify right side
    5,860.64x = 25,946,443.14
  5. Step 5: Solve for x
    x = 25,946,443.14/5,860.64
  6. Step 6: Final answer
    x = 4,427.24

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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.