Home / 4,322.46-6,478.78-3,801.44

Finding the Fourth Proportional to 4,322.46, 6,478.78 and 3,801.44

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Solution

The fourth proportional to 4,322.46, 6,478.78 and 3,801.44 is: 5,697.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,322.46 : 6,478.78 = 3,801.44 : x
  2. Step 2: Convert to fraction form
    4,322.46/6,478.78 = 3,801.44/x
  3. Step 3: Cross multiply
    4,322.46x = 6,478.78 × 3,801.44
  4. Step 4: Simplify right side
    4,322.46x = 24,628,693.44
  5. Step 5: Solve for x
    x = 24,628,693.44/4,322.46
  6. Step 6: Final answer
    x = 5,697.84

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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.