Home / 5,621.46-8,425.63-4,230.33

Finding the Fourth Proportional to 5,621.46, 8,425.63 and 4,230.33

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Solution

The fourth proportional to 5,621.46, 8,425.63 and 4,230.33 is: 6,340.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,621.46 : 8,425.63 = 4,230.33 : x
  2. Step 2: Convert to fraction form
    5,621.46/8,425.63 = 4,230.33/x
  3. Step 3: Cross multiply
    5,621.46x = 8,425.63 × 4,230.33
  4. Step 4: Simplify right side
    5,621.46x = 35,643,195.36
  5. Step 5: Solve for x
    x = 35,643,195.36/5,621.46
  6. Step 6: Final answer
    x = 6,340.56

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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.