Home / 7,580.86-11,365.99-3,361.81

Finding the Fourth Proportional to 7,580.86, 11,365.99 and 3,361.81

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Solution

The fourth proportional to 7,580.86, 11,365.99 and 3,361.81 is: 5,040.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,580.86 : 11,365.99 = 3,361.81 : x
  2. Step 2: Convert to fraction form
    7,580.86/11,365.99 = 3,361.81/x
  3. Step 3: Cross multiply
    7,580.86x = 11,365.99 × 3,361.81
  4. Step 4: Simplify right side
    7,580.86x = 38,210,298.84
  5. Step 5: Solve for x
    x = 38,210,298.84/7,580.86
  6. Step 6: Final answer
    x = 5,040.36

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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.