Home / 7,240.37-9,992.21-4,053.96

Finding the Fourth Proportional to 7,240.37, 9,992.21 and 4,053.96

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Solution

The fourth proportional to 7,240.37, 9,992.21 and 4,053.96 is: 5,594.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,240.37 : 9,992.21 = 4,053.96 : x
  2. Step 2: Convert to fraction form
    7,240.37/9,992.21 = 4,053.96/x
  3. Step 3: Cross multiply
    7,240.37x = 9,992.21 × 4,053.96
  4. Step 4: Simplify right side
    7,240.37x = 40,507,999.38
  5. Step 5: Solve for x
    x = 40,507,999.38/7,240.37
  6. Step 6: Final answer
    x = 5,594.75

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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.