Home / 4,716.16-6,509.20-3,122.84

Finding the Fourth Proportional to 4,716.16, 6,509.20 and 3,122.84

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Solution

The fourth proportional to 4,716.16, 6,509.20 and 3,122.84 is: 4,310.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,716.16 : 6,509.20 = 3,122.84 : x
  2. Step 2: Convert to fraction form
    4,716.16/6,509.20 = 3,122.84/x
  3. Step 3: Cross multiply
    4,716.16x = 6,509.20 × 3,122.84
  4. Step 4: Simplify right side
    4,716.16x = 20,327,190.13
  5. Step 5: Solve for x
    x = 20,327,190.13/4,716.16
  6. Step 6: Final answer
    x = 4,310.11

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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.