Home / 6,720.07-10,080.08-2,559.10

Finding the Fourth Proportional to 6,720.07, 10,080.08 and 2,559.10

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Solution

The fourth proportional to 6,720.07, 10,080.08 and 2,559.10 is: 3,838.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,720.07 : 10,080.08 = 2,559.10 : x
  2. Step 2: Convert to fraction form
    6,720.07/10,080.08 = 2,559.10/x
  3. Step 3: Cross multiply
    6,720.07x = 10,080.08 × 2,559.10
  4. Step 4: Simplify right side
    6,720.07x = 25,795,919.93
  5. Step 5: Solve for x
    x = 25,795,919.93/6,720.07
  6. Step 6: Final answer
    x = 3,838.64

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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.