Home / 7,579.23-11,361.51-3,681.51

Finding the Fourth Proportional to 7,579.23, 11,361.51 and 3,681.51

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Solution

The fourth proportional to 7,579.23, 11,361.51 and 3,681.51 is: 5,518.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,579.23 : 11,361.51 = 3,681.51 : x
  2. Step 2: Convert to fraction form
    7,579.23/11,361.51 = 3,681.51/x
  3. Step 3: Cross multiply
    7,579.23x = 11,361.51 × 3,681.51
  4. Step 4: Simplify right side
    7,579.23x = 41,827,512.68
  5. Step 5: Solve for x
    x = 41,827,512.68/7,579.23
  6. Step 6: Final answer
    x = 5,518.70

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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.