Home / 7,810.04-11,720.84-5,735.43

Finding the Fourth Proportional to 7,810.04, 11,720.84 and 5,735.43

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Solution

The fourth proportional to 7,810.04, 11,720.84 and 5,735.43 is: 8,607.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,810.04 : 11,720.84 = 5,735.43 : x
  2. Step 2: Convert to fraction form
    7,810.04/11,720.84 = 5,735.43/x
  3. Step 3: Cross multiply
    7,810.04x = 11,720.84 × 5,735.43
  4. Step 4: Simplify right side
    7,810.04x = 67,224,028.68
  5. Step 5: Solve for x
    x = 67,224,028.68/7,810.04
  6. Step 6: Final answer
    x = 8,607.38

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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.