Home / 5,748.12-8,623.32-3,976.64

Finding the Fourth Proportional to 5,748.12, 8,623.32 and 3,976.64

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Solution

The fourth proportional to 5,748.12, 8,623.32 and 3,976.64 is: 5,965.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,748.12 : 8,623.32 = 3,976.64 : x
  2. Step 2: Convert to fraction form
    5,748.12/8,623.32 = 3,976.64/x
  3. Step 3: Cross multiply
    5,748.12x = 8,623.32 × 3,976.64
  4. Step 4: Simplify right side
    5,748.12x = 34,291,839.24
  5. Step 5: Solve for x
    x = 34,291,839.24/5,748.12
  6. Step 6: Final answer
    x = 5,965.75

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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.