Home / 5,664.47-8,464.23-4,322.84

Finding the Fourth Proportional to 5,664.47, 8,464.23 and 4,322.84

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Solution

The fourth proportional to 5,664.47, 8,464.23 and 4,322.84 is: 6,459.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,664.47 : 8,464.23 = 4,322.84 : x
  2. Step 2: Convert to fraction form
    5,664.47/8,464.23 = 4,322.84/x
  3. Step 3: Cross multiply
    5,664.47x = 8,464.23 × 4,322.84
  4. Step 4: Simplify right side
    5,664.47x = 36,589,469.69
  5. Step 5: Solve for x
    x = 36,589,469.69/5,664.47
  6. Step 6: Final answer
    x = 6,459.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.