Home / 5,405.94-7,464.42-4,230.36

Finding the Fourth Proportional to 5,405.94, 7,464.42 and 4,230.36

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Solution

The fourth proportional to 5,405.94, 7,464.42 and 4,230.36 is: 5,841.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,405.94 : 7,464.42 = 4,230.36 : x
  2. Step 2: Convert to fraction form
    5,405.94/7,464.42 = 4,230.36/x
  3. Step 3: Cross multiply
    5,405.94x = 7,464.42 × 4,230.36
  4. Step 4: Simplify right side
    5,405.94x = 31,577,183.79
  5. Step 5: Solve for x
    x = 31,577,183.79/5,405.94
  6. Step 6: Final answer
    x = 5,841.20

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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.