Home / 7,485.92-11,228.88-2,291.84

Finding the Fourth Proportional to 7,485.92, 11,228.88 and 2,291.84

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Solution

The fourth proportional to 7,485.92, 11,228.88 and 2,291.84 is: 3,437.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,485.92 : 11,228.88 = 2,291.84 : x
  2. Step 2: Convert to fraction form
    7,485.92/11,228.88 = 2,291.84/x
  3. Step 3: Cross multiply
    7,485.92x = 11,228.88 × 2,291.84
  4. Step 4: Simplify right side
    7,485.92x = 25,734,796.34
  5. Step 5: Solve for x
    x = 25,734,796.34/7,485.92
  6. Step 6: Final answer
    x = 3,437.76

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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.