Home / 6,515.68-9,767.59-3,392.01

Finding the Fourth Proportional to 6,515.68, 9,767.59 and 3,392.01

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Solution

The fourth proportional to 6,515.68, 9,767.59 and 3,392.01 is: 5,084.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,515.68 : 9,767.59 = 3,392.01 : x
  2. Step 2: Convert to fraction form
    6,515.68/9,767.59 = 3,392.01/x
  3. Step 3: Cross multiply
    6,515.68x = 9,767.59 × 3,392.01
  4. Step 4: Simplify right side
    6,515.68x = 33,131,762.96
  5. Step 5: Solve for x
    x = 33,131,762.96/6,515.68
  6. Step 6: Final answer
    x = 5,084.93

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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.