Home / 7,424.08-10,245.39-4,237.31

Finding the Fourth Proportional to 7,424.08, 10,245.39 and 4,237.31

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Solution

The fourth proportional to 7,424.08, 10,245.39 and 4,237.31 is: 5,847.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,424.08 : 10,245.39 = 4,237.31 : x
  2. Step 2: Convert to fraction form
    7,424.08/10,245.39 = 4,237.31/x
  3. Step 3: Cross multiply
    7,424.08x = 10,245.39 × 4,237.31
  4. Step 4: Simplify right side
    7,424.08x = 43,412,880.69
  5. Step 5: Solve for x
    x = 43,412,880.69/7,424.08
  6. Step 6: Final answer
    x = 5,847.58

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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.