Home / 7,340.28-11,009.40-2,409.36

Finding the Fourth Proportional to 7,340.28, 11,009.40 and 2,409.36

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Solution

The fourth proportional to 7,340.28, 11,009.40 and 2,409.36 is: 3,613.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,340.28 : 11,009.40 = 2,409.36 : x
  2. Step 2: Convert to fraction form
    7,340.28/11,009.40 = 2,409.36/x
  3. Step 3: Cross multiply
    7,340.28x = 11,009.40 × 2,409.36
  4. Step 4: Simplify right side
    7,340.28x = 26,525,607.98
  5. Step 5: Solve for x
    x = 26,525,607.98/7,340.28
  6. Step 6: Final answer
    x = 3,613.71

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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.