Home / 7,407.74-11,105.84-3,708.06

Finding the Fourth Proportional to 7,407.74, 11,105.84 and 3,708.06

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Solution

The fourth proportional to 7,407.74, 11,105.84 and 3,708.06 is: 5,559.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,407.74 : 11,105.84 = 3,708.06 : x
  2. Step 2: Convert to fraction form
    7,407.74/11,105.84 = 3,708.06/x
  3. Step 3: Cross multiply
    7,407.74x = 11,105.84 × 3,708.06
  4. Step 4: Simplify right side
    7,407.74x = 41,181,102.53
  5. Step 5: Solve for x
    x = 41,181,102.53/7,407.74
  6. Step 6: Final answer
    x = 5,559.20

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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.